Fingerprint readers are well established in all but the lowest cost smartphones - look at the Moto G-series for phones priced around $200 - and it's a trusted solution. So it's not surprising that fingerprint readers are now appearing in other devices such as padlocks and bike locks. BIO-key are fingerprint specialists and have a range of locks and readers that do away with keys and passwords. Todd unlocks the potential of his finger with Scott.

BIO-key's locks can be opened by a range of technologies depending on the model. Most use fingerprints, but others also have Bluetooth capabilities and some use PIN codes. There are some real benefits in using a fingerprint for unlocking - no key to lose, no combination to remember.

Prices start at $39.99 for the TouchLock Designer, and a TSA approved lock is $54.95.

BIO-key produce fingerprint readers for PCs too, so if you don't want to type in your password, check out these USB devices.

Interview by Todd Cochrane of Geek News Central.

This episode was originally published on Geek News Central.