I’ve become quite effective at locating broken glasses (even transparent, colorless ones) in playgrounds…
playground
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Fighting the automation paradox || Deployment θα κάνουμε φωνάζοντας "αέρα"
Managing organized complexity 
You should also geo-tag the playground as a warning to other parents that it has dual use as a drinking place too
I would say exactly the opposite: I was glad not to find geo-location data in the embedded EXIF metadata of George’s photo (only his mobile phone model) :)