Most of us would call the Dropbox mobile app very utilitarian, built for browsing files and not much else. It's becoming more of a media viewer in its own right with its just-arrived Dropbox 2.0 for iOS users. The cloud storage service gains a dedicated Photos tab that takes advantage of all those automatic uploads from the past few months: the panel organizes photos by the time taken and offers an unintrusive full-screen mode for reliving memories. Hitting the major milestone has
