Defining a "User"...Skype Says They Have 276 Million of Them: Questioning Where We Are in VoIP [VCinJerusalem]

Just reviewed a recent presentation by Skype GM Jonathan Christensen at Ecomm2008 entitled "A Brief History of VoIP." The full presentation can be viewed here or below. Besides a nice ego boost, in that Jonathan cites Delta Three, which I...