Ken Thompson's vivid recollection of the rowdy roomful of geeks at Bell Labs who built the digital world in a spirit of open play.

Anthropic just rolled out Claude Skills, and it is something that is going to matter for anyone building agent-based systems. Think of these as lightweight, portable bundles, like folders of instructions, scripts, and resources that the model loads only when they are needed.

Principles and Practices of Engineering Artificially Intelligent Systems