Middle Eastern affairs blogger Juan Cole has a litany of complaints against Facebook but still feels he needs to be part of it. He tells a commenter:
I don’t think the right response is to refuse to take advantage of something that connects 600 million people. It is to pressure corporations when they do the wrong thing.
As for "taking advantage" of Facebook, there has been no noticeable change in Prof. Cole's blogging pre- and post-joining. The 600 million figure (wasn't it 500 million a month or two ago?) comes straight from the company's PR department.