describes a wearable based on a small off-the-shelf Pentium PC and self-developed software for e.g. sales force support.

Brian Rudy describes his self-made wearable with lots of photos.

Steve Mann's somewhat chaotic personal page features his books and articles on the topic, wearable cameras, pictures from his worn camera, a movie and links to other wearables sites.

Duncan Entwisle provides a complete hardware description on how he intends to build a wearable for less than $200.