Web browsers are among the most essential pieces of software we use daily, yet we often take them for granted. Most users settle for whatever default ships with their devices -- and that's a mistake.

I'm always skeptical when a web browser claims to help with mental relaxation. But Opera's new Air browser was surprisingly useful, integrating handy tools for focus, meditation, exercises, and more.

The Opera browser has been updated with a host of improvements and polish. The new feature set starts with themes and extends into various aspects of the browser, all of which come together to make ...