Google has added a social-networking component to its iGoogle personalized home page service that will allow users to do things like share YouTube videos, play Scrabble and maintain joint to-do lists.
MySpace developers can now make their applications available for testing to anyone who is on their list of friends at the social-networking site.
MySpace announced on Monday that developers can now build MySpace applications using Silverlight, Microsoft's plug-in for developing multimedia and rich Internet applications.
OpenSocial supporters celebrated on Thursday what they consider major progress in this project to establish a common set of standard APIs and tools for developing social networking applications.