Not really interesting as new itself, but a reminder of how awesome that dude is. Virgin Mobile ads are amazing here in my country, acid humor, trending national topics, etc
Besides, the guy has a rockstar aura that suits him very well.
I quite like LinkedIn and use it to keep in touch with my workmates and friends.
I don't post on it but I do track what is going on in terms of the job market.
I follow most of the tech writers and have linked in to them.
Employment Agencies use it extensively - its a must for specialist areas in Mining, Oil and Gas, and Process Manufacturing and the Engineering and Construction sectors.
It is growing ...
Unlike Facebook it serves a useful function for me.