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.
The United States with its 300 million people is in many ways still the most powerful country in the world. Find out if you are familiar with its facts and at the same time build up your general knowledge profile.
Google just announced that you can be one of the chosen ones who will have a chance to get their hands on Google Glass before they go into mass production and hit the market.