Simon Willison demonstrates how GPT-3 can be used to explain code, at multiple levels of complexity, and can even compare two (SQL) queries for efficiency.
In this informative video, Branch Education describes how each step in the JPEG image compression algorithm works, showing how large images can be compressed to much smaller file sizes with little perceivable loss.
Former Uber employee Gergely Orosz teaches us why Idempotency is important when using external APIs in this great thread about how a bug in UberEats allowed $14,000+ of free food to be ordered in India.