{"id":1435,"date":"2016-05-13T07:00:21","date_gmt":"2016-05-13T06:00:21","guid":{"rendered":"http:\/\/pensalla.cat\/?p=1435"},"modified":"2016-05-25T08:38:25","modified_gmt":"2016-05-25T07:38:25","slug":"wifi-unes-xarxes-omnipresents-amb-molt-de-futur","status":"publish","type":"post","link":"https:\/\/pensalla.cat\/?p=1435","title":{"rendered":"Wifi: unes xarxes omnipresents amb molt de futur."},"content":{"rendered":"<div style=\"padding-top:0px;\t\r\npadding-right:0px;\r\npadding-bottom:0px;\r\npadding-left:0px;\r\nmargin-top:0px;\r\nmargin-right:0px;\r\nmargin-bottom:0px;\r\nmargin-left:0px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" \r\n\t\t\t\t        data-url=\"https:\/\/pensalla.cat\/?p=1435\" \r\n\t\t\t\t        data-via=\"jjofra\"\r\n\t\t\t\t\t    data-text=\"Wifi: unes xarxes omnipresents amb molt de futur.\"\r\n\t\t\t\t\t    data-related=\"\"\r\n\t\t\t\t\t    data-count=\"none\"\r\n\t\t\t\t\t    data-hashtags=\"\"\r\n\t\t\t\t\t    data-lang=\"autoLANGauto\"\r\n\t\t\t\t\t    data-counturl=\"pensalla.cat\"\r\n\t\t\t\t\t    data-size=\"medium\"\r\n\t\t\t\t\t    data-dnt=\"false\"\t> Tweet <\/a> <\/div>\r\n\t\t                <script>\r\n\t\t\t\t\t    !function(d,s,id) {\r\n\t\t\t\t\t      var js,fjs=d.getElementsByTagName(s)[0];\r\n\t\t\t\t\t      if(!d.getElementById(id)) {\r\n\t\t\t\t\t       js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);\r\n\t\t\t\t\t      }\r\n\t\t\t\t\t    }\r\n\t\t\t\t\t   (document,\"script\",\"twitter-wjs\");\r\n\t\t\t\t\t    <\/script><table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table id=\"templatePreheader\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table class=\"templateContainer\" border=\"0\" width=\"600\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"preheaderContainer\" valign=\"top\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table id=\"templateHeader\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table class=\"templateContainer\" border=\"0\" width=\"600\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"headerContainer\" valign=\"top\">\n<table class=\"mcnImageBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnImageBlockOuter\">\n<tr>\n<td class=\"mcnImageBlockInner\" valign=\"top\">\n<table class=\"mcnImageContentContainer\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnImageContent\" valign=\"top\"><a class=\"\" title=\"\" href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=0bd724759a&amp;e=d1a46bff16\" target=\"_blank\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"mcnImage\" src=\"https:\/\/i0.wp.com\/gallery.mailchimp.com\/8ebfe63be3603515c0fc41244\/images\/164e029b-9498-4a0d-b509-4717964d0eee.png?w=564&#038;ssl=1\" alt=\"\"  align=\"center\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnImageBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnImageBlockOuter\">\n<tr>\n<td class=\"mcnImageBlockInner\" valign=\"top\">\n<table class=\"mcnImageContentContainer\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnImageContent\" valign=\"top\"><a class=\"\" title=\"\" href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=060d00ed48&amp;e=d1a46bff16\" target=\"_blank\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"mcnImage\" src=\"https:\/\/i0.wp.com\/gallery.mailchimp.com\/8ebfe63be3603515c0fc41244\/images\/6def6d08-a9f5-4239-b26e-116decdbef64.png?w=564&#038;ssl=1\" alt=\"\"  align=\"center\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table id=\"templateBody\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table class=\"templateContainer\" border=\"0\" width=\"600\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"bodyContainer\" valign=\"top\">\n<table class=\"mcnTextBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnTextBlockOuter\">\n<tr>\n<td class=\"mcnTextBlockInner\" valign=\"top\">\n<table class=\"mcnTextContentContainer\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\">\n<h1>Les millors eines per a gestionar contrasenyes.<\/h1>\n<p>Aquesta setmana, a\u00a0<a href=\"http:\/\/linternauta.us8.list-manage2.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=082a873657&amp;e=d1a46bff16\" target=\"_blank\">l\u2019Internauta<\/a>\u00a0de\u00a0<a href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=6db9b48fd5&amp;e=d1a46bff16\" target=\"_blank\">Vilaweb<\/a>\u00a0i\u00a0<a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=1870c486af&amp;e=d1a46bff16\" target=\"_blank\">ElPuntAvuiTV<\/a>:<strong>\u00a0estrat\u00e8gies i eines per a gestionar contrasenyes<\/strong><strong>,<\/strong>\u00a0en versi\u00f3\u00a0<a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=b633dfd62a&amp;e=d1a46bff16\" target=\"_blank\">v\u00eddeo<\/a>,\u00a0<a href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=b9a74f11ea&amp;e=d1a46bff16\" target=\"_blank\">\u00e0udio<\/a>\u00a0i\/o\u00a0<a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=2ae00e928a&amp;e=d1a46bff16\" target=\"_blank\">text<\/a><\/p>\n<p>Teniu un recull de tots els articles a\u00a0<a href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=ce88564fa9&amp;e=d1a46bff16\" target=\"_blank\">pensalla.cat<\/a><\/p>\n<p>Joan Jofra<br \/>\nTots els diumenges a les 15h a\u00a0<a href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=c6eb3c9b58&amp;e=d1a46bff16\" target=\"_blank\">ElPuntAvuiTV<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnShareBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnShareBlockOuter\">\n<tr>\n<td class=\"mcnShareBlockInner\" valign=\"top\">\n<table class=\"mcnShareContentContainer\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"left\">\n<table class=\"mcnShareContent\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnShareContentItemContainer\" align=\"left\" valign=\"top\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td align=\"left\" valign=\"top\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnShareContentItemContainer\" valign=\"top\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table id=\"templateColumns\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\">\n<table class=\"templateContainer\" border=\"0\" width=\"600\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"columnsContainer\" align=\"left\" valign=\"top\" width=\"50%\">\n<table class=\"templateColumn\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"leftColumnContainer\" valign=\"top\">\n<table class=\"mcnCaptionBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnCaptionBlockOuter\">\n<tr>\n<td class=\"mcnCaptionBlockInner\" valign=\"top\">\n<table class=\"mcnCaptionBottomContent\" border=\"0\" width=\"false\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnCaptionBottomImageContent\" align=\"center\" valign=\"top\"><a class=\"\" title=\"\" href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=eb8f7ec8ef&amp;e=d1a46bff16\" target=\"_blank\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"mcnImage\" src=\"https:\/\/i0.wp.com\/gallery.mailchimp.com\/8ebfe63be3603515c0fc41244\/images\/7c81b871-0937-4d46-91f6-6f80e2e2bade.png?w=264&#038;ssl=1\" alt=\"\"  \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" width=\"264\">\n<h4 class=\"null\"><a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=2290baf46c&amp;e=d1a46bff16\" target=\"_blank\"><strong>Les millors eines per a gestionar contrasenyes<\/strong><\/a><strong><a href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=64c93d5b72&amp;e=d1a46bff16\">.<\/a><\/strong><\/h4>\n<div>\n<div>\n<div>\n<p>&nbsp;<\/p>\n<p>A l\u2019Internauta hem parlat moltes vegades de les contrasenyes i, cada cert temps surten not\u00edcies que parlen de la gran quantitat, normalment milions, de contrasenyes robades, aquests dies es parla que un hacker rus n\u2019ha aconseguit m\u00e9s de 272 milions (\u00a0<a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=d6d61331d8&amp;e=d1a46bff16\">Reuters<\/a>\u00a0i\u00a0<a href=\"http:\/\/linternauta.us8.list-manage1.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=6cf7e53c4d&amp;e=d1a46bff16\">Computerworld<\/a>\u00a0) i que\u00a0<a href=\"http:\/\/linternauta.us8.list-manage2.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=d33709bdc8&amp;e=d1a46bff16\">ven per 1 $<\/a>.<\/p>\n<p>Avui intentarem parlar de com gestionar les nostres contrasenyes, no, no hi ha soluci\u00f3 si al prove\u00efdor a qui li heu donat la vostra li prenen, per\u00f2 intentarem que no se us oblidin i que si us les prenen, minimitzeu els danys.<\/p>\n<p>A m\u00e9s, intentarem fer bondat i tenir unes contrasenyes que compleixin totes els requeriments que alguns llocs posen, encara que, si fem cas als t\u00e8cnics de seguretat, i de vegades val la pena fer-los cas, el millor seria tenir una contrasenya diferent per cada lloc a on ens volem connectar, per\u00f2 aix\u00f2 seria demanar massa.<\/p>\n<p><strong>Estrat\u00e8gia<\/strong><\/p>\n<p>Jo he fet quatre categories de contrasenyes, segons les vostres necessitats podeu reduir-les a tres, per\u00f2 aix\u00f2 i qu\u00e8 hi poseu a cada categoria ja \u00e9s molt personalitzable, preneu aquesta estrat\u00e8gia com a una idea segur que millorable.<\/p>\n<p><strong>Contrasenyes d\u2019estar per casa<\/strong><\/p>\n<p>S\u00f3n les que posem a llocs que no poden fer-nos malb\u00e9 ni la nostra reputaci\u00f3 ni ens poden deixar sense diners, per exemple el codi d\u2019usuari de la subscripci\u00f3 a Vilaweb, el de Netflix, el de la companyia de telefonia, d\u2019aigua o de gas o electricitat, els llocs a on heu comprat un programa i us han obligat a donar les vostres dades, vaja tots aquests llocs que us demanen un codi d\u2019usuari i una contrasenya per\u00f2 que si us la prenen no passar\u00e0 res greu.<\/p>\n<p>Insisteixo, sereu vosaltres qui haureu de posar cada una de les vostres contrasenyes a la categoria que per vosaltres sigui la m\u00e9s encertada.<\/p>\n<p><a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=a91b074603&amp;e=d1a46bff16\" target=\"_blank\">Llegeix la resta d&#8217;aquest article &#8230;<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnFollowBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnFollowBlockOuter\">\n<tr>\n<td class=\"mcnFollowBlockInner\" align=\"center\" valign=\"top\">\n<table class=\"mcnFollowContentContainer\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\">\n<table class=\"mcnFollowContent\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<td class=\"columnsContainer\" align=\"left\" valign=\"top\" width=\"50%\">\n<table class=\"templateColumn\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"right\">\n<tbody>\n<tr>\n<td class=\"rightColumnContainer\" valign=\"top\">\n<table class=\"mcnCaptionBlock\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody class=\"mcnCaptionBlockOuter\">\n<tr>\n<td class=\"mcnCaptionBlockInner\" valign=\"top\">\n<table class=\"mcnCaptionBottomContent\" border=\"0\" width=\"false\" cellspacing=\"0\" cellpadding=\"0\" align=\"left\">\n<tbody>\n<tr>\n<td class=\"mcnCaptionBottomImageContent\" align=\"left\" valign=\"top\"><a class=\"\" title=\"\" href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=cd7165fdce&amp;e=d1a46bff16\" target=\"_blank\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"mcnImage\" src=\"https:\/\/i0.wp.com\/gallery.mailchimp.com\/8ebfe63be3603515c0fc41244\/images\/c53ee5ff-0f45-43a7-b0b1-602f1a17ff32.jpg?w=264&#038;ssl=1\" alt=\"\"  \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" width=\"264\">\n<p class=\"p1\"><strong><a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=d4be888640&amp;e=d1a46bff16\">Wifi: unes xarxes omnipresents amb molt de futur<\/a><a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=b34e5e0b93&amp;e=d1a46bff16\" target=\"_blank\">.<\/a><\/strong><\/p>\n<p><strong>Boris Bellalta, del grup de recerca Wireless Networkings de la UPF, \u00e9s el convidat d&#8217;aquesta setmana a l&#8217;Internauta<\/strong><\/p>\n<p>Les xarxes wifi o sense fils, actualment omnipresents, es van concebre ja fa uns quants anys, a la d\u00e8cada del 1990, i se\u2019n preveu encara m\u00e9s creixement en el futur immediat. Aquest \u00fas multitudinari tamb\u00e9 pot significar, paradoxalment, el seu principal enemic si no s\u2019atenen tot un seguit de desafiaments que ara mateix ja es plantegen. Ho sap ben b\u00e9 el professor Boris Bellalta, coordinador del grup de recerca en\u00a0<a href=\"http:\/\/linternauta.us8.list-manage.com\/track\/click?u=8ebfe63be3603515c0fc41244&amp;id=d7b5b7c3b3&amp;e=d1a46bff16\">Wireless Networkings<\/a>\u00a0de la Universitat Pompeu Fabra. En el terreny de les xarxes sense fils, un dels problemes que es pronostiquen \u00e9s la congesti\u00f3: \u2018Els anys vinents la wifi ha d\u2019\u00e9sser capa\u00e7 de donar m\u00e9s capacitat de transmissi\u00f3 i m\u00e9s dades, per a cobrir la demanda en augment de v\u00eddeo, realitat virtual i jocs en xarxa.\u2019 A l\u2019absorci\u00f3 d\u2019aquest nou tr\u00e0nsit de dades, cal afegir-hi un altre envit, el de la coexist\u00e8ncia: \u2018Si ara tothom instal\u00b7la un punt d\u2019acc\u00e9s o m\u00e9s a cada habitatge, pels carrers\u2026, ens trobarem que l\u2019espectre \u00fatil \u00e9s petit i que hi ha congesti\u00f3 de punts d\u2019acc\u00e9s wifi. La manera de gestionar-ho \u00e9s complexa i pot \u00e9sser una de les causes que faci que l\u2019\u00e8xit que t\u00e9 la wifi ara es trobi frenat. Al final, l\u2019usuari vol que la xarxa vagi r\u00e0pida. Si no \u00e9s capa\u00e7 d\u2019aix\u00f2, la wifi fracassar\u00e0.\u2019<\/p>\n<p>Cada cinc anys, explica Bellalta, es van definint noves especificacions tecnol\u00f2giques de la wifi per a mirar de resoldre tots aquests problemes. L\u2019\u00faltim est\u00e0ndard, el 802.11ac, es va enllestir el 2013, i el seg\u00fcent, el 802.11ax, \u00e9s el que guiar\u00e0 les xarxes wifi a partir del 2020. L\u2019investigador va una mica m\u00e9s enll\u00e0 en el temps i preveu que, d\u2019ac\u00ed a deu anys, es mantingui la din\u00e0mica actual \u2018d\u2019evoluci\u00f3 cont\u00ednua del que ja hi ha\u2019. El desafiament principal, pronostica, vindr\u00e0 de la internet de les coses (IoT), amb tot d\u2019objectes i dispositius connectats: \u2018Caldr\u00e0 pensar qu\u00e8 fer amb tota la quantitat de dades que es generin amb l\u2019IoT, perqu\u00e8 podran donar informaci\u00f3 avaluable per organismes i empreses, per\u00f2 tamb\u00e9 podran permetre que les mateixes xarxes s\u2019autooptimitzin i aprenguin depenent de les dades que generen unes altres xarxes o del comportament dels usuaris.\u2019 I conclou, conven\u00e7ut: \u2018Pot ser una revoluci\u00f3 respecte de com ara es gestionen i s\u2019optimitzen els sistemes de comunicaci\u00f3 en general.\u2019<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"padding-top:0px;\t\r\npadding-right:0px;\r\npadding-bottom:0px;\r\npadding-left:0px;\r\nmargin-top:0px;\r\nmargin-right:0px;\r\nmargin-bottom:0px;\r\nmargin-left:0px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" \r\n\t\t\t\t        data-url=\"https:\/\/pensalla.cat\/?p=1435\" \r\n\t\t\t\t        data-via=\"jjofra\"\r\n\t\t\t\t\t    data-text=\"Wifi: unes xarxes omnipresents amb molt de futur.\"\r\n\t\t\t\t\t    data-related=\"\"\r\n\t\t\t\t\t    data-count=\"none\"\r\n\t\t\t\t\t    data-hashtags=\"\"\r\n\t\t\t\t\t    data-lang=\"autoLANGauto\"\r\n\t\t\t\t\t    data-counturl=\"pensalla.cat\"\r\n\t\t\t\t\t    data-size=\"medium\"\r\n\t\t\t\t\t    data-dnt=\"false\"\t> Tweet <\/a> <\/div>\r\n\t\t                <script>\r\n\t\t\t\t\t    !function(d,s,id) {\r\n\t\t\t\t\t      var js,fjs=d.getElementsByTagName(s)[0];\r\n\t\t\t\t\t      if(!d.getElementById(id)) {\r\n\t\t\t\t\t       js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);\r\n\t\t\t\t\t      }\r\n\t\t\t\t\t    }\r\n\t\t\t\t\t   (document,\"script\",\"twitter-wjs\");\r\n\t\t\t\t\t    <\/script>","protected":false},"excerpt":{"rendered":"<p>Tweet Les millors eines per a gestionar contrasenyes. Aquesta setmana, a\u00a0l\u2019Internauta\u00a0de\u00a0Vilaweb\u00a0i\u00a0ElPuntAvuiTV:\u00a0estrat\u00e8gies i eines per a gestionar contrasenyes,\u00a0en versi\u00f3\u00a0v\u00eddeo,\u00a0\u00e0udio\u00a0i\/o\u00a0text Teniu un recull de tots els articles a\u00a0pensalla.cat Joan Jofra Tots els diumenges a les 15h a\u00a0ElPuntAvuiTV Les millors eines per a<span class=\"ellipsis\">&hellip;<\/span><\/p>\n<div class=\"read-more\"><a href=\"https:\/\/pensalla.cat\/?p=1435\">Read more <span class=\"screen-reader-text\">Wifi: unes xarxes omnipresents amb molt de futur.<\/span><span class=\"meta-nav\"> &#8250;<\/span><\/a><\/div>\n<p><!-- end of .read-more --><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3],"tags":[],"class_list":["post-1435","post","type-post","status-publish","format-standard","hentry","category-mails"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Les millors eines per a gestionar contrasenyes. 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