I'm thoroughly enjoying this thread, so thank you to the OP for starting it.
My late DP and I were one month apart in age, and a large part of our attraction came from "seeing" each other in our shared experiences of growing up with weirdly similar family dynamics and lives until we met at 42. One thing I really miss is the exchange of humorous memories that hinge on the times we were born into.
I'm going graveside with a few close friends this afternoon because we're lifestyle Goths and Halloween is one of a few resonant days we mark, so I'll be bathed in an extra glow of nostalgia thanks to this thread.
We spend so much time having to live fast in the present, and look to the future, yet we are in some ways so much products of the past, with particular perspectives. While wallowing in nostalgia may not always be healthy, because Lord knows progress has improved things in so many ways, I do think it's worthwhile sometimes to look back and sort of marvel at it all, especially our "one foot in, one foot out" situation with technology as others have mentioned.
We can't put the genie back in the bottle (barring EMP or catastrophic solar flare, which, though tempting, is not ideal) but we can remember there was a time before with all it's faults and benefits.
Happy Halloween to you all, and here's to remembering, when appropriate, our departed pasts....