Like the GIF (that's Graphics Interchange Format), the PDF (Portable Document Format) has survived and flourished through the digital age. That's partly because of its versatility: It's the go-to ...

Recap: Early last month, someone used the PDF format's JavaScript support to run Tetris inside what should normally be a static text document. Predictably, within days, a high school student upgraded ...

I cannot tell you how many times I've received a PDF document with the expectation that I'm going to either use the text to create something new or to edit the copy. That's all fine and good when I'm ...