Some thoughts: 1) When I click the "list" button at the top next to the essay name, it shows me the same list that is on the left side of the screen. Why? Is t

Some thoughts: 1) When I click the "list" button at the top next to the essay name, it shows me the same list that is on the left side of the screen. Why? Is there something I can do there that I can't do somewhere else? 2) Why make your auth twitter? I see no value in tying it to twitter unless you are expecting people to tweet all their annotations, which seems unlikely. 3) There's a ton of unused white space on the right, which makes the app feel unbalanced. 4) The site is not very mobile friendly -- not a knock against you, but since it looks like you are already doing responsive css, I thought the mobile site would be much tighter. 5) Whoa, why are there dozens of media queries in there -- are you really changing things every 10px?