Stop fucking procrastinating and close Twitter, close your instant messenger, and focus.

Distractions are productivity death. How the fuck are you going to get anything done with alert bubbles and noises every two minutes? The world can wait until lunch; you've got things to do. Get rid of the distractions, blot out the outside world, and get to work.

Want to prevaricate for a couple more minutes? Merlin Mann has written a short article about focus.