
1) Social networking service
Found on
https://www.crosswordclues.com/clue/opensocial

OpenSocial is a public specification that defines a component hosting environment (container) and a set of common application programming interfaces (APIs) for web-based applications. Initially it was designed for social network applications and was developed by Google along with MySpace and a number of other social networks. In more recent times ...
Found on
http://en.wikipedia.org/wiki/OpenSocial
No exact match found.