SHA-1 Collision Detection on GitHub.com
> Two objects colliding accidentally is exceedingly unlikely. If you had five million programmers each generating one commit per second, your chances of generating a single accidental collision before the Sun turns into a red giant and engulfs the Earth is about 50%.<p>What happens when machines are writing commits and there are far more than 5 million and 1 per second? Is this a "640K ought to be enough for anybody" quote of our time?