Google knows how valuable our service men and women are, and how hard it is to be away from home on long tours of duty. The company is giving back where it can, by offering free calls within Gmail to the states for people with a valid .mil email address. It might not seem like much, but you'd understand after getting your first cell phone bill with roaming charges from the eastern mountains of Afghanistan. To take advantage all you have to do is add your military address to your Google account and click a link in the verification email and you're good to