🙌 FOUND IT! I found the post!
Now granted, it’s not about fertility rates but still about the tendency to link smartphones to literally every social development:
Golareh Khalilpour
A new PNAS paper finds that polarization increased immediately after the release of Lady Gaga’s “Just Dance” and the advent of the late-2000s electro-pop era, which both appeared around the same year, 2008.
Ian Hussey
A new PNAS paper finds that polarization increased immediately after the invention of smartphones and the advent of social media, which both appeared around the same year, 2008.
www.pnas.org/doi/10.1073/...
