I swear by this free app for adding notes to PDFs

The app easily edits PDFs whether through annotations or direct file editing. It works with text, images, and graphics, and ...

Europa Universalis lead says design documents stifle creativity: 'You end up with a bunch of idea guys who write all the documents and the rest are there to follow'

Johan Andersson's team at Paradox used to lean on the practice more, but Andersson said he "doesn't believe" in it these days ...