Add Yahoo as a preferred source to see more of our stories on Google. Way back in the early 1990s, Adobe released the Portable Document Format (PDF). Ever since, PDFs have been a key tool in getting ...

The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...

So here is a wonderful highlighter for you named Epic Pen. It is essentially an annotation tool that enables you to highlight, draw, or write directly over any of your videos, software, web pages, or ...