Hypothesis is a great idea but in my opinion is overly complicated for most users. I was very excited about Google Wave as well and that didn't didn't turn out

Hypothesis is a great idea but in my opinion is overly complicated for most users. I was very excited about Google Wave as well and that didn't didn't turn out very well. Birdy is very different - it works on most modern devices and is very intuitive. Everyone used comments before - now you just can comment on any page instead of relying on website owners to provide you with a platform.