[tweetmeme]We have had web 1.0, web 2.0 and inevitably you can now find PowerPoint decks a plenty talking about web 3.0.  Apparently, web 3.0 will all be about the ‘symantec’ web, which, to laymen like you and me means the ‘meaning of data’, intelligent searching and behavioural advertising.  Or as I like to call it,…