Forget coal, chalk or even magic-markers. The latest, and probably the greatest, way for hobos to communicate is, you guessed it, the iPhone 3GS. iHobo is a spoof augmented reality application for ...

“I was a hobo,” Willy Howard told me. “So was my wife.” It was almost 30 years ago, and I was flat on my back in a hospital bed in Trenton, New Jersey, sharing my room with this elderly ...

“I was a hobo,” Willy Howard told me. “So was my wife.” It was almost 30 years ago, and I was flat on my back in a hospital bed in Trenton, New Jersey, sharing my room with this elderly man.

Remember the scene in "Mad Men" where a hobo teaches a young Don Draper how he and other homeless individuals secretly communicate using chalk-drawn symbols? The distinct symbols, known as the ...

Secret 'hobo codes' revealed: Pictograph language used by homeless travelers hopping trains in the 1800s shows how they warned each other of well-guarded homes and how to dodge cops - and they're ...

Jules Wanderer, professor emeritus of sociology at the University of Colorado even laid out another analysis of these symbols in his 2001 article "Embodiments of Bilateral Asymmetry and Danger in Hobo ...

Kate Severson shows her kids, from left, Mara, Lila and Jacob some of the symbols hobos used to communicate with each other while traveling, during the 2015 Hobo National Convention.

“I was a hobo,” Willy Howard told me. “So was my wife.” It was almost 30 years ago, and I was flat on my back in a hospital bed in Trenton, New Jersey, sharing my room with this elderly ...