When we tell the future children of the world that you shouldn't judge a book by its cover, they'll stare at their iPad and wonder what the hell a book is. Does that old fart mean an app? When we tell them to scratch our back and we'll scratch theirs, they'll wonder why are we even talking to each other in IRL. And when we say close, but no cigar... well, actually even I have no idea why that ever made sense.
Doghouse Diaries came up with a cute list of popular sayings and phrases and idioms translated to make sense in the world of tweets and Facebook and technology and Wi-Fi and the cloud and so on. It's pretty good. [Doghouse Diaries]