Stalker was amused to see the Twitter flotation on the New York Stock Exchange. The 140 character social networking company was valued at $25 billion. Stalker remembers well wondering what all the furore was about re the new kid on the block several years ago. Now look at it. As one tweeter put it - ITSINSANE. There's even a book out now about its beginnings called Hatching Twitter - it's all about 'ambient awareness'. Who knew?