New technologies are complicating efforts to teach the scrolling generation to think critically and defensively online.

For years, building an app or website was a challenge that only developers could conquer. It required months of coding, debugging, and mastering complex programming languages. But things have changed.

Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

Have an app you've always wanted to build? A humdrum task to automate? AI tools make it easier than ever, but they can be as ...