Metadata is like a "digital ID card" for each PDF file; it contains core information about the document, such as the title, ...

Editor’s note: The following review is part of Macworld’s GemFest 2012 series. Every weekday from mid June through mid August, the Macworld staff will use the Mac Gems blog to briefly cover a favorite ...

The future is encrypted. Real-time, encrypted chat apps like Signal and WhatsApp, and messaging apps like Telegram, WeChat, and Messenger—used by two out of five people worldwide—help safeguard ...