With Twitter adding its own photo uploads, we thought it'd be a nice time to go through some of the intelligent mashups that use photos posted to Twitter in an interesting way. I bet a lot of these will get some nice updates to integrate the official Twitter photo capability. First of all, we'll talk about the recent Mashup of the Day, Hashtagram.
Think the social web is big? When it comes to connecting Twitter, Facebook and others to the rest of the web, APIs are there to do the heavy lifting. The category continues to explode, already surpassing the number of social APIs added last year. Our directory currently lists 558 social APIs, with nearly 200 added this year.