Link to his tags in Github: https://github.com/emmett9001/iPhoneGameDemo/tags https://github.com/emmett9001/iPhoneGameDemo/tags I actually used a similar techn

Link to his tags in Github: https://github.com/emmett9001/iPhoneGameDemo/tags https://github.com/emmett9001/iPhoneGameDemo/tags I actually used a similar technique for a course I taught on rapid web prototyping, it turned out well: https://github.com/amontalenti/rapid-web/tags https://github.com/amontalenti/rapid-web/tags The other cool thing about setting up these tags is making it easy to use Github's compare view to see the differences between any number of steps. e.g. in his example, here is the difference between step 0 and step 1 of his tutorial: https://github.com/emmett9001/iPhoneGameDemo/compare/0_ready...1_firstbody https://github.com/emmett9001/iPhoneGameDemo/compare/0_ready...