Answer:
C: disruptive technology era
Explanation:
There are five main stages in IT infrastructure era and the are, in order from the oldest to the newest; the mainframe and minicomputer era, the personal computer era, the client/server era, the enterprise era, and the cloud computing being the newest in the five stages eras of IT infrastructure.
Google Analytics, this is a common one but there are others that do the same thing.
I think it is command and the key letter I at the same time
