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 ...

Instapaper, the app that lets you save and share online articles, has just launched a new annotation functionality called Notes. The feature allows users to select a piece of text from an article or ...

What’s It Like? Genius is a tool for annotating text online. An outgrowth of Rap Genius (a longtime tool for collecting and annotating rap lyrics online), Genius lets users annotate and analyze texts ...

Is a street preacher the right metaphor for every little blog online? UPDATE: Since this story was published, both Genius and Hypothesis have moved to undermine abuse via web annotation using their ...

The iWork suite, including Pages, received a substantial update today as a part of Apple’s iPad education event in Chicago. The biggest feature included in the new update is Apple Pencil support for ...

US-DATA announced the expansion of its international data annotation services for companies developing artificial intelligence, computer vision and machine learning systems. The company said the ...

PDFs are great, portable, cross-platform documents that you can read on your Mac, your iPad or iPhone, or on a PC. But this ubiquitous file format is also useful when you need to share works in ...