There will probably always be a need, or at least a desire, for a physical medium that you can put files on and hand someone in a throwaway fashion, as opposed to loaning them a portable drive. But I think it'll become less omnipresent.
I don't think the OP's question is all that insane. It happens to not be feasible due to size/weight/battery life, but I've seen a lot of worse questions here.
I don't think the OP's question is all that insane. It happens to not be feasible due to size/weight/battery life, but I've seen a lot of worse questions here.