In each episode of the Cool Tools Show, Kevin Kelly and Mark Frauenfelder talk to a guest about some of his or her favorite uncommon and uncommonly good tools they think others should know about.
http://cool-tools.org/
245: Joshua Schachter
Our guest this week is Joshua Schachter. Joshua is the founder of del.icio.us and inventor of tagging, which became hashtags. Joshua has founded two startups, invests in startups, runs an event for autonomous racing called Self Racing Cars, and is an amateur race car driver. For show notes: https://kk.org/cooltools/joshua-schachter-founder-of-del-icio-us/