StayFocusd chrome plugin -- I set it up so that I have a grand total budget of 10 minutes combined between 8am-10pm to look at notorious time-suck sites like Re

StayFocusd chrome plugin -- I set it up so that I have a grand total budget of 10 minutes combined between 8am-10pm to look at notorious time-suck sites like Reddit/NYT/FB/etc. After the time is up, you're locked out of all the sites. It's great, and free.