Google "Zerg Rush" and prepare to defend your browser

In a move that's sure to decimate the productivity of a million offices worldwide, Google have programmed a mini-game into their search engine. Head over to Google and type in the words "zerg rush" to find out what happens. I won't spoil it for you, but it involves a lot of clicking, and will award you a high score at the end that you can share with friends and colleagues on Google+. Let the procrastinating begin!