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References
The hi-tech glasses gifted my Mr. Burns are a promo for Google Glass.
The title is most likely a pun on the movie "Sex and the City".
When Marge looks at Maggie, it says "Adempted Murder", refrencing Who Shot Mr. Burns?.
When Homer and Lenny are enjoying their new glasses, they look up and see The Simpsons title screen, breaking the 4th wall.
The couch gag is a re-altered version of a British TV channel, Channel 4, introduction to the Simpsons. The original version had Homer lie on his hammock with the Duff at his head, which bounced onto the cables when he lay down. Furthermore, after panning out to show Springfield, the different lit-up areas formed the Channel 4 logo, a 4. The sequence of Homer climbing the tree is completely re-used.
The title of the video Marge and Lisa watch "Valentine's Day: Always A Massacre" is a reference to the Saint Valentine's Day Massacre.
