The following article got to my attention this morning. Newsgator started back in 2004 as RSS syndication and stretching their capabilities as social tools platform. They use many of MS SharePoint feature and in sync with Office 2010 coming later this year.
Time ago, I had chance to discuss enterprise RSS. Sounds like Newsgator is doing it in quite interesting way.
Just my thought… Goodmorning sunday!… Oleg