> And yet it persists. That's a great point, and I would add that when Google launched Google Groups, there was this widespread concern that Google would abuse

> And yet it persists. That's a great point, and I would add that when Google launched Google Groups, there was this widespread concern that Google would abuse it to kill Usenet and force users to switch to its own walled garden. Since then, Google already tried and failed to launch a couple of social networks, but Usenet is still around.