How To Efficiently Waste Time

Step Two: Mute your friends who post, tweet or plurk without any substance (or update too frequently), but are still awesome. Save those streams for time-wasting time. Don't add their feeds to your feed reader. Make it so you have to force yourself to type in their account's URL.
Here are a couple of my favorite sites:
- Newsified's Newspaper view of Digg
- Ninjanuity's Plurk Stream
- It's Trending (Not sure yet how frequently the content updates, though.)