Three years ago, columnist and author Grace Dent joined new social networking site Twitter, mainly as a place to dump her surplus jokes, rant about garbage TV, and post exclusive JPEGs of her hot new toenail varnish. But as every "Re-tweet" and "Follow Friday" saw her audience figures soar by tens of thousands, Dent found herself centre stage in an all-consuming highly addictive social network revolution. One where the gags, gossip, scandal, and backstabbing literally never stop.

Here Dent takes a hilarious, acerbic look at what's really going on in Twitterworld: Who's actually tweeting, who's really reading your tweets, and what's behind the 140 character lies they tell. She looks at the highs and grotty lows of twitter addiction; the shameless social climbers; the friends you'll make and the ones you can't get bloody rid of; the barefaced bragging; the shameful celeb-stalking; and the truth about "twanking", twitter cliques, angry "twitchfork mobs", and dealing with trolls.