thingamabob or doohickey in a highly technical device.
I could fix your sattlite receiver, but I don't have the right thingamabopadoohickey to replace the burned out one.
Specific: Job title of those who create uncrackable copy protection schemes for software, video (VHS or DVD) or audio (CD or DVD) recordings.
General: Anyone hated by the general public because of what they do for a living.
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