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tick talk watches exist largely for this reason, though it requires hardware per person (child), and isn't open source or cheap.
by andrewclunn 5y ago
tick talk watches exist largely for this reason, though it requires hardware per person (child), and isn't open source or cheap.
- robert_dipaolo 5y agoLooks like a cool product, but yes not cheap and not easy to get hold of where I live (in the UK) unfortunately.