Another day, another new app that seems hellbent on proving once again why you dropped $500+ on that shiny new iPad. Flipboard (Free) is a new "social magazine" application that grabs info from your Facebook and Twitter feeds, as well as from other sources around the web, and presents them in a magazine-like layout, complete with large images, clean typefaces, and a general panache that goes well beyond the average client — which is making our standalone social apps more than a little nervous.