The ensuing confused stare and awkward silence told me that he understood.
If your RL persona is anything like your online one, I suspect that most everything you say is met with this reaction

Internet explorer is being permanently retired this July.
Nothing will work on Explorer anymore.
Cool.
Log into Edge (hate it, but less so than IE), then into NEIS. Up pops this notification that in order to do anything on NEIS, I must first download what is, in effect, an Internet Explorer emulator.
W.
T.
F.
