Wired – Master the file format that works everywhere and anywhere—even from your phone. “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 document format when you want to make sure that it’s going to look the same no matter what device it’s opened on. PDFs remain ubiquitous and straightforward to use, and it’s not difficult to generate them from just about any app without expensive tools or complicated processes. If you want or need to deal in PDFs, follow the steps below to see what your options are, depending on the files and platforms you’re working with…”