APPS FOR THAT: Palo Alto-based Quixey, a search engine for apps, boasts the world's largest database of apps. Here's its visual breakdown of data on developers, costs, and platforms--albeit too cluttered for Edward Tufte's likes but dandy TechCrunch fodder. Interesting pub trivia fact: the most "prolific" developer is Japanese company, SmartEbook, with 6,314.