It’s official. The iPad is a huge success. In its first month on the market, Apple has sold a cool 1,000,000 units. This is an impressive number, given that the device has only been available in the United States, but even more important is the fact that 12 million iPad apps have been downloaded. That’s an average of 12 apps per user in 30 days. With over 5,000 iPad apps to choose from, which apps should you download? Here is my list of the ten best iPad apps.