Kevin: Geo-tagging is the key to local aggregation says Lisa Williams with Placeblogger. It’s going to take some help from bloggers, Flickr users, Twitterers, vloggers. But in that challenge is an opportunity for outreach.

Kevin: Companies are moving out of Second Life and looking at creating their own virtual worlds for better security and more control. They also want to target users younger than SL’s average age of 30.

Suw: The ultimate GTD site.