This podcast episode explores the fascinating world of hobos and the significance of hobo signs in their culture. It discusses the origins and development of hobo signs, which were informative messages left by one hobo for another, providing useful information for survival. The episode also explores the concept of the hobo code and its use of symbols to convey unconventional meanings. Additionally, it touches on the creation of hobo names and the emergence of War Chalking as a Wi-Fi phenomenon. Overall, the episode highlights the unique cultural practices and the intersection of technology in the hobo community.