Maybe technologically, but there have been significant technological advances almost every 100 years that don't look as significant to us because we're way past

Maybe technologically, but there have been significant technological advances almost every 100 years that don't look as significant to us because we're way past them. The jump from sailing to steamships doesn't seem that big to us, but in terms of reliability, speed, etc, etc, etc, it was an incredible leap, similar to propellers to jets. I don't know about culturally. If you plucked a European adult from 1500 and dropped them in the same city in 1600, chances are the Protestant Reformation would have done a pretty big shakeup of their cultural and societal expectations. Food is weird. Not arguing that there is a difference between 'modern' bagels and 'traditional' bagels, just arguing that the traditional way is perhaps not as traditional as someone might think, and I would guess that 'hundreds' of years isn't in many cases (perhaps not specifically with bagels, I'm not a bagel expert, when I eat them I buy the bag of mini-bagels from Aldi).