It’s 2011, and the world is going mobile. People don't just use their desktop computer or laptop anymore to visit the sites you build. They're coming at you with smartphones, tablets, TV screens — and who knows what they’ll bring next year? With all this device-switching going on, one of the questions that site builders ask themselves is, how can we keep catering to all these different devices? The good news: There is a way. It’s called responsive webdesign.