I think this is very useful for presentations (I wish there was a mathml version) and books. The issue with using this for articles is that most journals (at l

I think this is very useful for presentations (I wish there was a mathml version) and books. The issue with using this for articles is that most journals (at least in my field) have tight page limits, while this uses quite a lot of space. So using these annotations would mean cutting down significantly on the rest of the paper, which would likely degrade readability.