A subtle consequences of bigger and bigger smartphones:

People used to carry iPhone 3GS or iPhone 4 in their front pockets

Now people often carry their iPhone 11 and 12 in their back pockets

creating and destroying; built flying cars & autonomous vehicles, now building /faust, more here: /july, web: july.rocks

The problem with carrying phones on front pockets is that it reduces sperm quality...

🇧🇷🇺🇸-  Book: Making Things Think: https://holloway.com/mtt. Investor in Wander, Carry, Footprint, Merkle Manufactory (Farcaster), Dynamic, Paragraph.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4074720/

imo: it would be naive to say that carrying phone is the only reason that sperm counts are decreasing - prob a much more complicated issue. effects of phone radiation on male reproductive health is hard to make relevant p-value assumptions on imo - lots of other environmental factors that are contributing to our health