Three Tools for Commenting on PDFs

In history classes I have often had students read primary source documents or copies of them in PDF format. For many students the challenge ...

Upload Your Own PDFs and EPUBs to Google Play Books

This evening Google announced a great update to Google Play Books. You can now upload your own PDFs and EPUB files to Google Play Books. Up...

New PDF Annotation Options in Evernote Skitch

Skitch for Mac and iOS is an excellent app that I've used for creating annotated screenshots for quite a while. In fact, I used it to c...