Click on the little satellite dish, then InfoCenter settings:
Go to RSS Feeds and click Add, then copy and paste the following string:
While you are at it, why not add What Revit Wants:
Twitter RSS that doesn’t work in Communications Centre:
Is there any way to display my tweets via an rss url? | Twitter Developers:
Revit says there is no RSS feed at this location. Any ideas?
Its definitely working for me. Could it be that you have a firewall blocking RSS or something? You could try this other feed that I burnt (copy/paste to Revit as above):