The only upgrades available for our puny human hands are gaming controller calluses, but if you're sporting an i-LIMB digits hand prosthesis, you can now grab a set of improved fingers. Touch Bionics' "smaller, lighter and more anatomically accurate" appendages are now available worldwide, as well as a new wrist-band unit which houses all the necessary computing power and juice for their function. Best of all, these developments allow more people to adopt the tech than the previous generation, in
