  I have no idea how they're going to monetize the traffic, but urlLink Linked In has legs. How strange is this? Tonight, for the second time in a month, I found someone who works in my department of 2 dozen who was linked to me by four degrees of separation and across the country.
I always found the Six Degrees experiments fascinating. That someone who sits fifteen paces from my office door is linked to me via the COO of a soon-to-be-public company blows my mind. I also wonder why he didn't do what I did and searched for people at our company, but that's a topic for another day. I see two obstacles. The first, and potentially biggest, is acceptance. Businesspeople don't want more contact. (Actually, smart businesspeople do, but they want it filtered. That is supposedly how the site functions).
Meanwhile, I've sent about a hundred invitations and have a web of 32 strong. Not bad, but not as big as it could be, and certainly not big enough to create what Malcolm Gladwell calls a urlLink tipping point . The other big challenge is how to monetize the traffic if people do visit. If I knew how to pull off that trick, I wouldn't be here blogging on a Saturday night, but would be in my luxury suite, paid for by Linked In's investors. 
