When iOS 7 and OS X Mavericks debuted about two years ago, one of the smaller features that made its way into Safari was support for “Shared Links” — an aggregate of all of the links in the user’s Twitter feed that could be accessed from a third panel over from the Bookmarks and Reading List sections. While the feature received little fanfare even then compared to the overall UI design and other sweeping changes, when iOS 8 came…
