Rickrolling the boss

[ik9000]

I do wonder how many careers were cut short by those devices

just careers?

[Xlucine]

I only recently heard about the annoy-a-tron. Shame they don't exist any more, but if you want to annoy someone it is worth googling partly for the funny stories and product reviews and partly as a warning of how rapidly things can go out of hand!

A raspberry pi, some code and a speaker would also work

[DanceswithUnix]

A raspberry pi, some code and a speaker would also work

That board was pretty tiny though, so much easier to hide than even a pi zero.