virtual environments

I made this video last night with a Flip Cam Mino. There are some kind of wild trippy effects. Sometimes it even looks like there's popcorn shooting out the top of the space needle. It was sure fun! Happy New Year everyone! technorati tags: fireworks, Seattle, New Year's Eve, Space Needle
I heard some intriguing presentations this week about education in Second Life, but I happen know that there is an open-source, free (?) alternative called "Croquet." Do any of you have experience with Croquet vs. Second Life? I'd love to hear about it in the comments. I attended two talks, hoping that someone would compare different platforms, or at least give the audience a chance to ask questions, but no such luck. I think these multi-user virtual environments are really interesting, but I have some reservations about educational institutions making substantial investments in building…