The song that plays while Homer is washing the plates at Odyseus' Diner and then dancing with the others is Sirtaki from Zorba the Greek.
This is the second episode where Lisa develops something related to a social media website. The first was The D'oh-cial Network.
This is the first episode to air in 2016.
Lisa's blue highlight on her hair makes her resemble her non-canon future daughter, Zia Simpson.
The SWOT analysis on the bulletin board on the wall behind Lisa on "What if computers ran the world?" has a card reading "No more religion" in each one of the sectors. Matt Groening is purported to be an atheist.
The text on the mainframe when Lisa first walks over is the command line help from the microcontroller flashing utility avrdude.
Two thousand drachmas would be worth $6.39, not $0.
Euro was the currency in Greece at the time of this episode so 2 000 drachmas were worth no dollar. So it should be said how many Euros did Homer earn for his job.
At the first coding class, Lisa was sitting behind Cosine, but when the kids were mocking Quinn because of her gender, Lisa was replaced by a tan-skinned boy with a cyan sweater. In later scenes, she is still sitting behind Cosine and the boy is beside her.
According to Facelook the day when Marge posted the photo of Homer and her takes place on august the third. If it did then Lisa and the other kids wouldn't be at school as august is the second month of summer holidays.