This is brilliant! Now why didn't I think of that :) Small comment: It's probably just me but when you said "sign documents in GMail" I thought you meant you w

This is brilliant! Now why didn't I think of that :) Small comment: It's probably just me but when you said "sign documents in GMail" I thought you meant you were doing some sort of email encryption/editing the email signature. Then I thought "ok this is just another random plugin for GMail". I had to watch the video and then i went "OOHHH!!".