I take it you mean sharing circles with fellow googlers ? (re the last one)

+Steven Healey I guess, yes. And also having everyone who is anyone in motorcycle racing posting here instead of there.

Here's another one. Best MotoGp coverage and comment, bar none.
http://motomatters.com/

We really need to be able to share circles. Somebody here is going to put together an amazing circle. It certainly won't be me, but I want to follow it!