"I've recently been playing around with version control to help streamline the writing/editing process for a book I've been writing. Though Git and it's variants probably seem more daunting than they should to the everyday user, they really represent a very powerful tool. The day and change I spent learning the basics were more than well worth it. I will admit that I prefer to use http://bitbucket.org for the ability to have free unlimited private (but still sharable) storage compared to the more open Github model - not to mention the recent problems Github has been experiencing in relation to how they treat their female employees. I'll also mention that BitBucket has an excellent step-by-step tutorial (and troubleshooting) for setting up the requisite software at: https://confluence.atlassian.c..." - Chris Aldrich