Its focused on the already established community of SO users - and it exists in the same place people are already hanging out answering questions. Plus the chat

Its focused on the already established community of SO users - and it exists in the same place people are already hanging out answering questions. Plus the chat logs are being stored and made available the same way all the commons Q&A data is - I just think it'll turn out to be more and more valuable as they improve on it.