Netflix is observing "Stranger Things Day", memorializing November 6, 1983, when 'Will Byers' went missing in Hawkins, Indiana followed by the discovery of a mysterious girl known as 'Eleven':
"...here at Netflix, we're observing November 6 by looking back at the first four seasons, offering new teases on our social channels...
"...unveiling limited edition merchandise online/brick-and-mortar stores around the world...