I'm surprised nobody has mentioned this yet, but the "Send feedback" widget in the lower right is amazing. It seems to be inspired by Safari's Web Clips, and I

I'm surprised nobody has mentioned this yet, but the "Send feedback" widget in the lower right is amazing. It seems to be inspired by Safari's Web Clips, and I hope it won't be long before someone better at Javascript than me reverse engineers it (otherwise I guess I will have to).