A few days ago, I happened upon Taggable, which is a new service that lets you "tag" the people you know on the websites they visit. "Tagging" has become a popular phenomenon on the web these days, ...

Web tagging has nothing to do with spray paint and isn’t illegal. But it does have something in common with the gang tagging seen on freeway overpasses: It is a way to show the masses what you think ...