The first all-talking feature wasn’t a prestige film, and initially wasn’t even meant to be a feature film, but the gangster movie Lights of New York grew in the making, and its box office success helped convince studios to completely replace silent films with “talkies”. Online, you can peruse Warner Brothers’ newspaper-like pressbook promoting the movie, and read film historian J. B. Kaufman on how its production broke new ground. It joins the public domain in 9 days. #PublicDomainDayCountdown