Education & Learning · Recorded milestone
Remote school at global scale
Recorded year2020
COVID-19 school closures hit 1.6 billion learners; many switch to lessons by video call, but a third cannot learn remotely.
Explore this milestone on the interactive mapBuilt on
- CMOS image sensorRecorded · 1993requires
- Cloud computingRecorded · 2006enables
- 4G LTERecorded · 2009enables
- Cloud video meetingsRecorded · 2013requires
Led to
Sources & evidence
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.