Active development on Google Wave, a collaboration tool that used features of email, chat and document sharing, has been shut down. Google announced that the chief reason for discontinuing Wave was the low user adoption. The platform will live on within other Google projects, as well as the many portions of Wave that have been open sourced.
There are over 1,000 social APIs in the ProgrammableWeb directory. The big names in that list, Facebook, Google Plus, LinkedIn and Twitter, are also amongst the most popular public APIs overall. Since other API providers look to these leaders for examples in engaging with developers, I thought it would be useful to see how each uses a common communications medium. That's right, how do the social APIs use social media themselves?