Looking for the best PDF annotation app for Windows, Mac, or iPad? Here are 10 options for you, reviewed in detail!

They got Doom running inside a PDF file. Seriously. And weirdly, it works better than you might expect! Over the last two decades, getting id Software’s 1993 classic FPS Doom to run on devices ...

A high school student found a way to run the classic PC game Doom from within a PDF file by leveraging the format's support for JavaScript and the Chromium browser engine.

The Portable Document Format (PDF) was developed to present documents in a manner that was independent of the software, hardware, and operating system showing them. It's an undoubtedly neat system, ...