"Salesforce.com has updated its Chatter social enterprise tool to add instant messaging and screensharing. The move puts Chatter in competition with Citrix’s GoToMeeting, Cisco’s WebEx and other collaboration tools.
"The company, which has 150,000 Chatter networks, is continually adding features to its primary social enterprise tool."
Salesforce pushes collaboration with Chatter update | Networking | ZDNet UK
Its good to see Facebook coming in to this space, but it is also hopeful that the market will develop open standards so these different providers can all interact.