Apple devices heard but not seen, Facebook to tell us where we've been Yes, more rumors about yet another life-changing Apple device swirled across the InterWebs this week, but that’s not all. Facebook finally unveiled that location feature it’s been hinting about for months, Microsoft has a new mouse, North Korea is now on Twitter, some Apple employees found themselves in hot water, and acquisition fever has consumed the high-tech world. Are you truly in the know? Prove it by acing our quiz. Correct answers are worth 10 points. Now go out there and make us proud.1. Another week, another Apple rumor. What’s the Cupertino crew allegedly coming out with now?a. An Xbox killer b. A 7-inch iPad c. A 3D display d. A new location check-in service Take the InfoWorld news quiz Data Management