Jonathan Koomey shares research, talks and publications on energy use, data centers, and the efficiency of computing. Readers get data-backed analysis, citations and downloadable materials aimed at correcting hype around electricity demand forecasts.

These Guys Know publishes independent reviews, practical buying guides and opinion pieces on tech, gaming hardware, AI tools, sports and online business. Its sample issues cover how to choose gaming processors and explain CPU and GPU naming, and include a hands-on test comparing AI image-to-video models.

This blog covers computing topics through practical tutorials and explainers, such as scanning a home network to find a Raspberry Pi's IP address, how OAuth authorization works from OAuth 1.0 to 2.1, and the math behind elliptic curve cryptography. Readers get step-by-step commands and conceptual background, though the writing quality and depth vary between posts.

A personal-essay newsletter reflecting on geek culture across generations, from the space race and Star Trek to the rise of personal computers and modern hardware tinkering. It mixes memoir with observations on topics like Mac mini storage upgrades and the repair community.