Interesting security research on radio car key fobs. Tesla's model of regular over-the-air updates enabled a much faster fix. An upside of the "update all your appliances" model for consumer software!
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Neither Spotify nor Skype use peer to peer functionality any more.
Are there any consumer apps that still leverage P2P designs? Has bandwidth just become so cheap that it's unnecessary?
AMD's remarkable resurgence, the profitability of the server market today, and the prospect of significant CPU and GPU sales for them: https://www.nextplatform.com/2020/03/06/amd-is-determined-to-gets-its-rightful-datacenter-share/
Ultimately, competition is great for the consumer.
Filecoin is solving a real consumer problem (needing backup storage but having empty local capacity,) using blockchain protocols!
https://filecoin.io/blog/filecoin-proof-system/
Blockchain problems can sometimes be replaced with simpler tech, but this seems like a great match.