Friendster - currently in a free beta period, although they'll start charging for some aspect(s) of it sooner or later - is a rather interesting site. Rather than creating yet another dating site designed to help one meet total strangers, they've designed yet another "six degrees of separation" (well, technically, it's only four degrees, but that's plenty!) site. So what's interesting about it? Well... I know who my friends are already. But I don't necessarily know who their other friends are, or who those friends' friends are, or who those friends' friends are. Nor do I know whether there are people among all those friends who might have interests in common with me, live in my town, or whatever. Or rather, I didn't know. Now I do. It's also interesting to find out that a friend I've made recently knows someone, who knows someone else, who knows a friend I'd lost track of years ago. It's interesting to fi