social networking

Ok, this post is clearly not about San Francisco real estate, but I can't resist.

I have always been fascinated by networks and how community gets created, and always love to connect two people who will benefit from knowing each other (that gives me huge satisfaction).  I have been a member of LinkedIn for several years (it has been a great way to reconnect with colleagues from the past and colleagues and clients of my present) and have been exploring social networks like Facebook and...