So we’ve looked at the basics when it comes to freeing up drive space, but if that didn’t do the job, several Mac apps will help you to detect and remove space-wasters. These tools range from system scans that will pick out very large files and list them in order of size to very specific apps that target common drive space thieves (like app-related files that linger after you’ve deleted an app) and bring them to justice via the Trash can. Then there’s the third kind of tool—one that’s part software, part service. Rather than removing large files completely, these offerings provide a way for you to move them to a secure storage space on the web. We’ll show you the four most effective ways to use these apps.

In a recent review of Shadow Cities we said it was "Part RPG, part location-based team strategy game, all addictive time-sink." Unfortunately, when I was reading the review, I didn't pay enough attention to those last three words. Too bad, because weeks later, I'm still sinking all of my time into the epic mage battles.

Augmented Reality apps are really cool, letting your camera-enabled iOS device add a layer of information to what its camera is seeing. We picked through the multitude of AR apps in the App Store to find 12 that are worthwhile downloads.