Sony has wrist-bound tech with its SmartWatch line, but now it's in the business of tracking your health with its Core fitness tracker and Lifelog app for Android.
Sony's flagship Xperia Z1 may be too big for some, but Sony has a solution with the Sony Xperia Z1 Compact. All the features of the Z1 in a 4.3-inch frame.
We explore the big mobile stories in 2013 in this roundup of the successes, the failures, the movers, and the shakers. This is what happened in mobile over the last 12 months.