PDF is one of the most widely used formats for sharing and viewing documents, especially in professional and educational settings. From business reports and academic papers to eBooks and user manuals, ...

The web doesn't have to stay fixed and static. With the right tools, you can type and scribble over the websites you visit, adding all kinds of annotations for all kinds of purposes. Maybe you want to ...

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 ...

Data annotation—labeling text, images, and video for training—is central to A.I. Grok maker xAI is shifting from generalists ...