What if your job transfer large amounts of confidential data from one country to another: too much to do through the Internet? AND you need to be able to bring it back (say, updated)?
A hollow coin is indistinguishable from the real thing and can comfortably hide one of two 256GB micro SD cards. There you go, half a terabyte - per coin. Just be careful when you tip someone.
Biting the hand that feeds IT
