Videos and a short history of my invention and Submedia, the company I co-founded in 1999
Ten or fifteen years ago most people knew me through Submedia, the company I co-founded to market I technology I conceived of in 1996. My invention The technology was a display we'd install on subway tunnel walls that looked to riders between stations like a movie screen outside the subway car windows. From a business perspective, we were a billboard company: we installed the displays at our cost, sold media to advertisers who wanted large audiences, and shared revenue with our landlords---transit agencies. From a technological perspective we created a new medium that reached people where no one had before,…