In his 2013 TEDx Talk, "The first 20 hours," author and business expert Josh Kaufman talked the myth that learning new skills takes a lot of time. According to him, proficiency is really only 20 hours away! Divided into two- or three-hour chunks, that's about a week's worth of practice. So, Kaufman argues that that's plenty of time to learn a host of impressive skills. Here are 12 samples of the many skills you can pick from!