Following the Apple Maps fiasco, the newly-released iOS 6.1 reviews user problems submitted via a new option in the Maps app; likely to counteract the issues showing up embarrassingly on the Internet instead. This comes at a time when Apple Maps still cannot be relied on for consistently-accurate directions and
As is standard fare for a new iOS release, Apple has omitted select features from the iPhone 4 version due to its seemingly more debilitated age, including a stand-out of iOS 6: 3D maps. Of course, that does not stop the hacking community from stepping in to save the day by bringing the future of mapping to the 4S's beloved ancestor in form of a hack that gets the feature working in much of its glory on an iPhone 4.
If you really, really, really want interchangeable SLR lenses on your iPhone and are willing to do things the hard way, camera modder Bhautik Joshi may have just answered all your prayers. The Phone-O-Scope, invented by Joshi, makes use of an always handy laser pickup from a CD player, some PVC pipe couplers and, of course, duct tape to let you attach any regular SLR lens to your iPhone.