I wrote about this recently: https://danielcompton.net/2016/01/27/a-context-free-grammar https://danielcompton.net/2016/01/27/a-context-free-grammar. The gist i

I wrote about this recently: https://danielcompton.net/2016/01/27/a-context-free-grammar https://danielcompton.net/2016/01/27/a-context-free-grammar. The gist is that you can't copy a business model, tweak a few features and expect it to work in your market. The whole context of the business model matters.