Aside from Fluther, what are some of your biggest time "wasters"?

What are the three biggest deliberate “wasters” of your time, aside from Fluther? What you do instead of doing what you’re supposed to be doing? Don’t include things that potentially enrich your life, like books or newspapers, from which you may glean some actual knowledge or insight. List things that literally contribute nothing to your life other than to be vehicles for procrastination.

1. Facebook/Twitter
2. Bingo Blast on my phone
3. Reddit, specifically r/funny