It seems odd that in 2015 we must address ourselves to the problem of linking resources across a network, but in the version of 2015 we’re lumbered with, we live in an appified world, so address ourselves we must. While linking has formed the backbone of the web since the demise of Compuserve and AOL’s walled gardens in the mid-nineties, the apps that populate our smartphone home screens are about as interlinked as Compuserve’s forums in the early 1990s; which is to say, not very interlinked at all.