Social co-ordination is handled to a degree by local Less Wrong Groups.

I've only been to one meet-up and there's none in my area, so I don't know too much about the extent to which this is true. What do you think? Do you see room for improvement?

Re: debate tools. Some tools already exist. Have you looked into these?

I've looked through the LW wiki page and wasn't impressed. I haven't looked too hard though.

Re: highlighting and taking notes across the Internet. Apparently the replacement for Internet Explorer will do something like this.

I just looked into it and it seems awesome... but I hate Internet Explorer so much and am prepared to be disappointed.

I have more to say on these ideas. I'll message you later when I'm not overloaded with work.

Cool, I look forward to it!