Definition of Accidental Adsense Arbitrage: or the THREE A's - A webmaster who knows nothing about arbitrage advertises site using adwords - The webmaster then puts adwords on their site - Someone does a search and clicks on advert and visits the website - That same user leaves the site and ends up clicking on an advert - The webmaster who is still in the dark is baffled by the rise in income Dr N p.s please forgive me for my ramblings as i am in a philosophical mood today