Music has become a relatively solitary experience. Aside from live music, most people use their phones and iPods to listen to music, so it's not often shared. Wearhaus is attempting to change this with its ARC headphones, which encourage people to listen to music together.

Great audio logos can work as branded signifiers - and the subtleties of sound are increasingly being incorporated into products, too. But how much noise is too much? Are there really any benefits to owning a microwave with its own soundtrack?

Over 28 million people pay for a music subscription. The consumption of music has changed; Gen Y has experienced the rise of digital music downloads and the downfall of CDs. Bang & Olufsen is now aiming to streamline and personalise home listening with BeoSound Moment. But how?

As more critical services – from banking to healthcare – are delivered digitally, passwords are no longer secure enough for many. Innovators are turning to biometric sensors for safer, easier solutions. Now, Yahoo has come up with a novel, more affordable idea; using your body as a password.