The $10,000 that Cooper spent on his new painting has the same buying power as about $85,000 in 2019.
The episode won an Emmy Award for Outstanding Hairstyling for a Single Camera Series.
The group the Students for a Democratic Society that is referenced by Smith and Smith wrote the original Port Huron Statement which was referenced in The Big Lebowski.
When Don is pitching Martinson Coffee on a new campaign, he references previous attempts at enticing the youth market using "puppets and so forth". This is likely a reference to Jim Henson; from 1957-61, Henson created a series of popular commercials for Washington D.C.-based Wilkins Coffee, using two early Muppets to sell the product.
The painting in Bertram Cooper's office is "Orange, Red, Yellow" by Mark Rothko (1961). On May 8, 2012, it sold at Christie's auction for $86,882,500.