What is ‘Edge AI’? What does it do and what can be gained from this alternative to cloud computing?

Does cloud-free AI have the cutting-edge over data processing and storage on centralised, remote servers by providers like Google Cloud? Is AI-powered edge computing safer? More trusted?
Nature

Microsoft team creates ‘revolutionary’ data-storage system that lasts for millennia

Researchers use mini plasma explosions to encode the equivalent of two million books into a coaster-sized device. The method ...