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The first baby monitor was used in 1937. https://en.m.wikipedia.org/wiki/Baby_monitor https://en.m.wikipedia.org/wiki/Baby_monitor
by nickthegreek 3y ago
The first baby monitor was used in 1937.
https://en.m.wikipedia.org/wiki/Baby_monitor https://en.m.wikipedia.org/wiki/Baby_monitor
- jeffbee 3y agoIn the history of ways of rearing babies that's the same as yesterday.