Torrey, CristenMcDonald, David W.Schilit, Bill N.Bly, Sara2017-04-152017-04-152007978-1-84800-031-5The How-To has recently emerged as a genre of online content that describes how something is done. This study focuses on computer and electronics hobbyists and their use of How-Tos—how hobbyists use existing knowledge to solve technical challenges, how they document their new knowledge for one another, and how they exchange help and feedback. Our analysis describes How-To knowledge sharing as a fully decentralized expertise-location system in which the How-To functions as both a broadcast of the author’s expertise and a personal portfolio.enText10.1007/978-1-84800-031-5_21