Now that we have multiple social networks for multiple purposes and interests, with new ones emerging and gaining traction regularly, technologists and user experts are thinking about what's next.

Turning activity across networks into actions the user manages:  Making it possible for people  on one network to communicate with people on other networks, in terms of content and activity, without leaving their original networks.  But will the networks allow it or continue to buttress the walls in their gardens?  Adrian Chan via Marshall Kirkpatrick at ReadWriteWeb.

Turning fans into buyers into communities:  Several of these principles for how not to kill a startup are amazingly appropriate
for how to turn targets into buyers.  Starts with knowing who you are
and who your customer is and where the twain must meet.  Greg Boutin.