Twitter Tools - Google Analytics and Favorite Tracking

I just ran across some cool tools for Twitter while doing a sweep through my Tweetstream:

[1] Google Analytics + Twitalyzer = Twitter Analytics

Want to turn Google Analytics onto your inbound Twitter traffic? Eric Peterson (@erictpeterson) of Web Analytics Demystified fame, and other local PDXers, have done just that. Pretty cool. Try it yourself here.

[2] Has anyone "favorited" any of your tweets?

Ever wonder if people have starred/favourited any of your Tweets? Here's a quick Google hack to see. Just replace 'jivesoftware' with your handle:
http://www.google.com/search?q=site:twitter.com/*/favourites+%40[jivesoftware]
(thanks to Justin Parks for the tip).