@marksbren

With so many applications in the iPhone appstore discovery is becoming more of an issue. There are just too many. It is becoming such an issue that applications are being created to help you find applications. These include Chomp (iTunes link) and Appolicious (iTunes link). 

So, how do you increase discoverability? On the web, the search engines helped discoverability. Google's brilliant move was to use links as a ranking system. Also, Adwords helped smaller sites buy their way to discoverability. What are the equivalent data structures for mobile applications? With such a scattered marketplace (Apple, Google, BlackBerry, Windows Mobile, Verizon and other carriers are all making application stores) how will apps be discovered across platforms? 

Or will the appstores continue to be cluttered with thousands of applications? Maybe the next step is making applications for finding applications that help you discover applications. For some reason, I doubt it.