Well lookee here!

You'll probably need to look at the full-size one to see it:

But if you look, you'll see that Google reader is offering me the RSS feed for the #! forums!

Now, it could be reader analysing my browsing history without my prior express consent, but I actually doubt it.

It may be suggesting it due to my Linux feeds, and due to subscribing to the #! Planet.

Either way, awesome that it did it : D