This doesn't answer your question and I'm sure you did your research, but just in case you didn't I would suggest you read this https://news.ycombinator.com/it

This doesn't answer your question and I'm sure you did your research, but just in case you didn't I would suggest you read this https://news.ycombinator.com/item?id=6847867 https://news.ycombinator.com/item?id=6847867 grellas does a really good job in dissecting the terms. Note this was over 3 months ago so their terms may have changed.