A software developer from San Francisco managed to do what no one else did before, creating a fully-functional two-way chat using only CSS and HTML, completely ditching JavaScript in the process.

Ryan Boudreaux includes all the code snippets you'll need in this demo of how to create an image hover-preview effect using HTML, CSS, and JavaScript.

The latest natural-language system generates tweets, pens poetry, summarizes emails, answers trivia questions, translates languages and even writes its own computer programs.