Betfair is the world\'s leading online betting exchange.
Since the first edition of the book was published, the total number of Betfair websites has risen to 18, and an Australian exchange has launched..
In the last year, Betfair has more than doubled its number of registered users.
Launched in 2000, its annual revenues reached #145m in 2006.
Betfair is the world\'s leading online betting exchange