Twitter makes New York billboard smile/frown Posted by hyperspacemedia on October 31, 2011 Posted in: October 2011. Leave a comment Real time sentiments were used to make the face on Jell-O’s mechanical billboard smile or frown depending on the number of happy and sad smileys used on Twitter. Via DailyDOOH Share this:EmailFacebookTwitterMorePinterestLike this:Like Loading... Related Posts navigation ← Surfing machine in airport Australian supermarket tests NFC →