There have been a number of articles recently about a presentation by Microsoft researcher Eric Horvitz, who spoke at a technical conference about work he had done to prove or disprove the old "six degress of separation" saying: Supposedly, everyone is just six connections away from everyone...

Apparently someone's been busy! In the past few days, there have been announcements about the launch of Microsoft-branded and -hosted online services for small biz - including Exchange Online - AND the availability of a preview releases of Essential Business Server 2008 and Small Business Server...