Site Manager - Tweet My Wiki
This is the Tweet My Wiki Screen on the Site manager ( page admin:manage ):
Tweet My Wiki
Tweet My Wiki updates status of selected Twitter user with the information about new pages created on this site.
To activate it you need to authorize Tweet My Wiki application to use a Twitter account.
Authorize Tweet My Wiki application (sign in as user you want the updates to be posted as).
(this is only a picture of the link!)