Anyone who's returned from an event with a virtual armful of photos may have been frustrated with Facebook's upload interface, which until now has involved a less-than-intuitive file browser. The company is quietly solving that problem: an update pushing out to individual users lets them drag-and-drop photos into a new post, like we've seen on other social networks, and to a newly streamlined Messages format that's rolling out at the same time. A much smaller circle is seeing a second update. Facebook has confirmed to ABC News that it's conducting limited trials o
