Google adds Split View, PDF annotation and save-to-Drive features to make your work even more efficient.
Apple's Pages has a handy feature called "Smart Annotation," which lets you switch between a tightly-formatted document and easy annotation. All you need is an iPad and, ideally, an Apple Pencil. Here ...
Hypothesis is a free, open access platform that stands out from many other annotation tools with broader functionality. In particular, it offers students the opportunity to work collectively to share ...