By Nate Berg January 27, 2023 Standing in the Gare du Nord train station in Paris in 2012, Dorrian Porter was transfixed by a sign. The station’s arrivals and departures board—a classic split-flap analog sign that constantly turns its wheels of characters, click-clacking updated information on trains, tracks, and times—had a presence that Porter … Continue reading Why Google, Netflix and cannabis dispensaries are using this century-old sign technology →