Q: Sometimes when I try to open a file or e-mail I get the message: "The selected file has an extension (PDF) that is not recognized by Windows Media Player but the player may be able to play it.

Over the years, Adobe's PDF file type has become a universally accepted method for sharing digital documents. The format's cross-platform adoption means the documents can be viewed on almost any ...

Google has released ' Google Scholar PDF Reader,' a Chrome extension that makes it easier to read PDF files of scientific papers. I thought it would be very useful for reading the content of the paper ...