Whenever I feel like I’m falling off the wagon with GTD, it always comes back to my inbox. If I don’t keep it at zero, things pile up quickly and I lose some control. Even if you’re not a believer in the complete GTD system, Inbox Zero can help you out a LOT.
This video is from a few years ago, but has some great tips on how to achieve (and maintain) inbox zero. Merlin Mann really knows his stuff. Check it out: