If you work in the service industry and expend every ounce of willpower not throttling idiot customers, you may find it difficult to clock out and concentrate on your creative side projects. It has been proven (with science) that when you are forced to be nice and accommodating to assholes all day, you are less likely to have patience with the people you actually love when you get home. I think I find myself in a similar situation when I am trying to write after work. I'm tired, and my willpower is depleted, and it is a lot easier to scroll through facebook or stare at the fat, slightly perturbed furry creatures on cuteoverload.com than push myself to do something that is uncomfortable and, well, more work.
FREEDOM isn't free. (It costs $10.)
Lucky for me and anyone else with procrastination issues, there's a program called FREEDOM! It will lock you out of the internet for a predetermined amount of time and you will be free to use your computer without the temptation of the internet! Some people don't need a little dodad to be productive, and I hate them. For those of us who need a little extra help: LET FREEDOM RING!!!!!*