Sounds like a good idea, I've used a few of those and it can be very interesting. Had one on a computer tech support site where I was once the moderator for several years, it was great when someone posted a really tough problem. Several of the best on the forums could get together in the chat room, kick ideas around then one of us would post the group's ideas to try and fix the computer. We did that a number of times, and had a great time doing it. Also had some great conversations, just let someone make a comment about almost anything and off we went. A group session like that can get really interesting when you have a half dozen highly intelligent people who really enjoy discussions about loads of different topics, from astronomy to computers to guns to fishing to plants and gardening to...
We had several regulars who were very intelligent, and all loved to just grab onto whatever anyone would mention and kick ideas back and forth. Sometimes it would get incredible interesting, sometimes very involved, and at times just plain silly...
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