Rated 5 out of 5 stars

Where TinEye fails, Google Search By Image works, i have used this to catch 100s of logo plagiarism cases on design contest and logo and crowdsourcing sites. Without this function you would not be able to find out who is faking their profile with a fake profile pic. Great thing, i probably search more by image than by words.

This review is for a previous version of the add-on (