Twitter launched Twitter Kit in 2014: a set of tools app owners use to integrate Twitter data and functionality. Since then, Twitter Kit adoption soared and Twitter increased its functionality. The v2.0 release constitutes the first major revision and a platform for expanded functionality and use.
Well over 600,000 developers participate in a topcoder community that not only allows them to expand their development skills, but also gives them access to projects where they can get paid for participating.
A recently leaked developer document from Microsoft foretells of an upcoming Xbox Clubs API. Xbox Clubs was a feature released last year that enables Xbox Live users to create social groups. Eager developers anticipate a major opportunity to transform Xbox Live into a social hub through the API.