Some believe that we're only getting smarter, but intelligence is relative to the era you're living in. Great innovators were just as capable 1,000 years ago as they are today. Jumps in technology are relative too, since the newly invented radio once freaked people out just as much as the holograms of today. We're on the cusp of another big shift in how digital lets us think, work, and play. It's the greatest time in history for self-directed learning that's online, easy to find, and totally free!