#TIL Sinclair Executive pocket calculator (1972). It achieved low power consumption by continuously switching off the power supply, and before the CPU lost its internal state, switching it back on. It's literally a calculator that relies on what's known as the cold-boot attack today. https://en.wikipedia.org/wiki/Sinclair_Executive#Microprocessor
Cybrespace is an instance of Mastodon, a social network based on open web protocols and free, open-source software. It is decentralized like e-mail.