Of the many things that developers need to worry about when attempting to create a successful app, two points rise to the top. First, the app can't crash, and second, it has to respond to user input quickly. This is easier said than done, however, thanks to a deck that's stacked against developers. Crittercism spent a month collecting over 1 billion data points and determined which devices, operating systems, and networks best lead to stable - and profitable - apps.
Among the three largest social networking sites the most arcane to deal with from a developer perspective is LinkedIn. Now PeopleLinx is trying to prove there is a viable developer opportunity surrounding Linkedin APIs. The company, which just picked up an additional $3.2 million in financing, has developed an analytics application for LinkedIn that allows organizations to more easily ascertain what people are connected to what potential key accounts.
We see a lot of mashups (our directory lists over 4,300 mashups). Lately we've noticed that they've moved beyond your ordinary application. Here is a quick overview of some recent additions that are fun and useful.