The history of the Karaoke machine would make an interesting video:
https://spectrum.ieee.org/karaoke-machine-ieee-milestone?mkt_tok=NzU2LUdQSC04OTkAAAGeGANHEon74RWbFlZOBbuhV40QhMWYhQlb1EzdpSO9hZcuWVMmWN7E02BZ_8aLeenj6X7wGrxVRqLZpyXnFn99NDCpRpt0QxunPFWB9vLgOn1dfzkH
JC Cruz
2025-11-12 18:48:32 +0000 UTC
If 3 fingers are sufficient I wonder why humans evolved to have 5? Maybe for redundancy? Or increased grip strength not needed by robots?