noprocrast is a great feature. Wish other sites added it. There's Chrome nanny or Leechblock for Firefox; plugins which take a blacklist and blocks you from vi

noprocrast is a great feature. Wish other sites added it. There's Chrome nanny or Leechblock for Firefox; plugins which take a blacklist and blocks you from visiting those sites for a certain amount of time, or at certain times of day. I used it for a while and it really helps.