List events now available in userstreams

[Mark McBride]

The userstreams preview now delivers list updates in addition to the
social graph changes it is already streaming. This includes

* Lists created/updated/destroyed by you or your followings
* List members added/removed by you or your followings
* List subscriptions added/removed by you or your followings

You can see http://apiwiki.twitter.com/ChirpUserStreams for complete
details of messages currently delivered to userstreams.

---Mark

http://twitter.com/mccv