As you probably noticed on a lot of websites these days, there is an engraved looking effect added to text, let me show you how to add that effect using CSS.
Remember the legendary Predator movie with Arnold Schwarzenegger? Those Predator aliens had this thermal view feature so they could their prey even in complete darkness, let's Photoshop it.
Exchangeable Image File Format (EXIF) data can tell you which camera was used, what focal length, ISO, exposure time was set when taking a photo. Let's see how to look for that data in Windows 7.