You see a young executive in a public place staring into his laptop and you think: "Oh, poor. guy, he's working so hard."There are also / online schools like the Khan Academy with over 3,000 video / lessons in math, science, economics, and history-and it's absolutely free.And there are thousands of video clips to - choose from-you can see active volcanoes, the latest
developments in technology, or learn more about global / warming.Some language students, for example, learn on / their own from websites, and others connect with their teacher online with the help of a webcam.in