Well, actually (hehe, see what I did there?),
as the commenter said, the research as presented in the paper is not about a plug-in memory chip, but an electronically-assisted means to transfer short term memories to long-term.
So, if it could be used on humans, you'd simply plug it in while attending a lecture or cramming for the final, and turn it off after the information was no longer needed or after the info had "burned in" to long-term memory.
Not as spectacular, but equally as intriguing IMO.