How can you "be what's next" without having what's next on your phone? Bing is here to help you fulfill its tagline by updating its mobile site for any device that runs HTML5. If the update had a highlight reel to show off the newest features, here's what would be on it: a carousel-like interface in the news section that lets you swipe your finger left or right to switch to other categories; maps that show directions together in split-screen format; a search history complete with trending topics; and the ability to share images and links on Facebook. The new enha