I have always been a proponent that people should be compelled to ID themselves on the web in full - as in full name and address. Now, IPv6 will allow that level of detail, except no one seems to be implementing it. I believe that this is the only true way to stop Internet trolling, spamming, and scams. I believe it is also the only real way to bring us together as a community. If I know who you are - really know who you are, you can't mislead me with electronic illusions augmenting your small little mind.
However, what is being discussed in the article is not that. It is yet another form of Internet exhibitionism and its twin brother voyeurism. Never has there been so many insecure people battling it out online to present themselves in the most stylish way. But the catch, and the one catch that no one seems to mind, is that none of these exhibition sites are free. They may not cost money, but they do cost privacy - privacy in the sense that your ID is sold to advertising agencies. I've yet to meet someone who likes junkmail - yet the same people will dive headfirst into a website that practically guarentees they'll be front and center on Madison Avenue.
Make no mistake, these sites are around for the sake of making a profit. Selling your name, credentials, perfecting the advertising model aimed at your wallet.
What's the attraction again? You're not gonna meet these people in real life - so who cares what they think of your face? If you do meet them - they don't need to see your face online do they? Are people really this insecure about themselves?