Need to send a secret message? (If you're a terrorist, please stop reading now.) It's actually very easy to hide a file of a different format inside a standard JPEG image. According to TrickSystem.com, you can do this with .pdfs, Office docs, HTML web pages, video clips, zipped files, mp3s or most any other format. And there's nothing illegal involved! The "trick" is to convert your file into a JPEG so that if anyone outside your secret club simply double-clicks the file name or thumbnail to open it, they'll just see a preview of the image. Your message's intended recipient will … [Read more...]