Oh! Noooow I get it!
I’ve only just started watching Mad Men, but I finally get some references on 30 Rock I’d missed before!
When Liz’s Mum is reminiscing about her one true love, she says, “It wasn’t that simple, Liz. I had just graduated from secretarial school and I got a job at Sterling-Cooper.”
Also, I only just noticed this: Jack offering Steve Austin (John Slattery) a glass of milk:

Have you noticed any too?
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