It seems that changing your local DNS settings seems like a rather trivial barrier to get around but this technique is pretty useful. For me, procrastination is

It seems that changing your local DNS settings seems like a rather trivial barrier to get around but this technique is pretty useful. For me, procrastination is a subconscious habit and routing your time-sinks to "purple.com" is really eye-opening. Instead of just mindlessly typing in "reddit.com" and wasting 30 minutes before you realize it, you now get an immediate indicator of your intentions.