Unfollow and Follow Twitter Users. Simply load a page of twitter followers and type this into the console.

follow_twitter_users.js

$('.user-actions-follow-button').filter(function(){ return $(this).find('.follow-text:visible').size(); }).sort(function() {
  return .5 - Math.random();
}).slice(0, 1000).click();

unfollow_twitter_users.js

$('.user-actions-follow-button').filter(function(){ return $(this).find('.following-text:visible').size(); }).click();