I wanted to say that I am having trouble with PDF markup in every client I try it on. A PDF I have saved in Evernote needed a few marks. On my Mac, the marks cannot be seen until I save. I unfortunately did not know that, and now there are quite a few random arrows on the document that I can't remove. After that didn't work, I thought "I'll just open it on my iPhone and delete the random arrows and worry about more complex markings later." On the iPhone, I could make annotations, but they would not save. Same thing on my iPad. Then I thought, I'll just put the PDF in the Skitch app on my