How to have multiple Orkuts

I resisted all the invitations to join Friendster and all those other community sites, but a while back I finally caved and signed up for Orkut.
I don't get the hype. I haven't found any use for these social networking sites. Whoo-hoo, I'm connected to five people who connect me to three million other people. Yee-ha, I'm so popular. What's the point? Everyone's coming out with one. Not since the latest digital download music store has more capital been invested in more money-wasting me-too ventures. What a waste of creative energy.
That's not to say the Finnish software engineer after whom Orkut was named isn't an amusing character.
As for the origin of