For editing complex documents that contain headings, chapters, equations, formulae, inserting and managing citations & references, exporting to different journal formats, etc, etc. How about the collaboration abilities of multiple people editing the same document at the same time? Then you need this app.
App Intro
Annotate.tv – Take Notes on Youtube Videos (easily)
Is it really possible to annotate a video? Annotate.tv offers a solution close to that. Annotate.tv provides an optimized note-taking flow from Youtube videos, especially with ease.