Creating profitable businesses on the internet is no mean feat and, as anyone who has watched the rise of eBay or Amazon knows, the web has forever changed the way we do business. Now the bestselling authors of 100 Great Businesses and the Minds Behind Them take a look at some of the smartest, most profitable internet businesses operating today, and reveal that whether big, small, local or on the other side of the planet, when it's web business, it's a fascinating world, with potentially limitless opportunities.