Here's a reply I sent to a friend of a friend (whom I've never met to my knowledge .. pardon my bad memory if I have!) that explains my thoughts on the issue for my part:
Monday, March 30, 2009
The questions of how, through which services and with whom to connect online are in many people's minds. The social media scene is developing rapidly and the social norms within it are still in their earlyish stages of development.