Norway is currently in the process of becoming the first country to take its radio service entirely digital. The analog transmitters are being switched off on a regional basis, and many other countries are watching the process closely.

While Bluetooth headsets were the original wearable, in-ear technology has largely stood still since then. Until now. We take a look at some of the emerging contenders in the new market for hearables, which go way beyond music playback and seek to improve your workflow and your personal health.