I was part of a meetup on "alternative energy" (to see if actual engineers went to the things--I didn't want to date a solar cell) when I got an all-group email from the group founder about an "event" concerning The Secret* and a great opportunity to make money. Turned out it was a "green" multi-level marketing scam he was deep in, and they were combining it with the The Secret. Being naive, at first I said I didn't think the event was appropriate, assuming it might lead to some discussion. He immediately slandered me to the group, but I managed to send out an email detailing his connections to the scam before I was banned from the group. I did get a thank you from one of the members, at least.

I looked through meetup and found many others connected to him. Their basic routine involves paying the meetup group startup cost, having a few semi-legit meetings, and then using their meetup group as a captive audience.

I admit, I was surprised. I know it's not big news, but the new social web has plenty of new social scammers, and they're running interference. It's hard to get a strong, clear message out when opportunists know how to capitalize on easy money: people wanting to feel and signal like they're doing something. I honestly don't think seasteading can even touch that audience, but then again, I'm not sure you'd want to.

• http://en.wikipedia.org/wiki/The_Secret_(2006_film)