I primarily read the HN RSS feed, and also try to look at every headline that comes across the feed to make sure I don't miss any godo stuff. I became curious about how much in the minority I am in doing this.
Since I stopped both, I sleep more and consequently code better.
Some gems don't get upvoted, and that's ok; I'll discover it eventually somehow. In twitter's case, the signal to noise ratio just doesn't cut it for me at this moment.
109.8 Hacker News
25.7 Joystiq
25.4 Digg Offbeat
23.6 Slashdot
22.6 Mashable!
22.5 Digg Technology
18.3 Lifehacker
Surprised, because I have no problem keeping up with HN, while I often have to skip other feeds a lot. (That's the top 7 of total 116 feeds in my reader.)