The more digital the world becomes, the more we struggle to keep our privacy private. Privacy alarmists are becoming something of a broken record by now, and one the world continues to ignore.

It might be hard to believe, but there is a better chance of getting lost inside a building than outside in the woods. Do you remember the last time you were heading to a new destination without the use of GPS?

magine that your smartphone could talk directly to an ATM to securely authenticate your identity without you having to touch it. What if your phone could use sound from the speaker system in the mall to guide you directly to the specific store, or even the specific shelf in that store, that you’re looking for?