There is no perfect algorithm. There are ways to tell Google what you think.
Be sure and check both of them out.
Sidenote: There is simply no way that Matt Cutts can respond to every Friendfeed post or 'Twit', so don't be insulted if he doesn't respond. He is, and for the most has always been, pretty responsive on his blog.
I now stand ready for the 2000 e-mails that I'm 'kissing up' to Google ..... again :)