Notes"This morning at the Web 2.0 Expo in San Francisco, Jyri Engeström, co-founder of Jaiku and now Google employee, spoke about building sites around social objects. What this means is that the social sites we visit today are not just friend networks - they're also built around objects that connect people with shared interests. These social objects could be anything from a photo on flickr to a video on YouTube or a track on Last.fm. This concept may not be new information to some of you - Jyri has been talking "social objects" for years now. What is interesting, though, is how well this information has held up over time. "Unfurl