If you can't copy files that are bigger than 2 or 4 GB, usually HD movies and such, on to your USB key, it's usually due to the file system the USB key is formatted to.
Camera images usually contain additional description about camera settings and scene information of the the picture taken. By using EXIF, you can view this data online.
It's highly recommended to protect your computer against Virus, Malware, Spyware and other potential threats. Microsoft Security Essentials is one of the better, free solutions.
With time it can happen you have a bunch of installed apps on your Windows Phone 8 powered phone you never use anymore, I suggest you to remove them to free some of the storage.
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.
You are preparing a world wide event in your city and you want to be sure that every person around the world will know the exact time in their city. You will find out how in this tutorial.