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 ...

When AI models fail to meet expectations, the first instinct may be to blame the algorithm. But the real culprit is often the data—specifically, how it’s labeled. Better data annotation—more accurate, ...

I have a wacom tablet, and I need to review a bunch of PDF manuscripts for colleagues abroad. <BR><BR>Seems the smart thing to do would be to superimpose hand-written notes and sketches on the PDFs ...