Hey! I've got 40 years in this industry! Yes, some of the stuff I first worked on used oil instead of electricity... And I still use a modem almost daily - the software I support requires it. Modems are so lame and obsolete that if you paid for a meal at a restaurant other than a chain, the card terminal used a modem. If you paid with a card for some bling for your smartphone at a kiosk, it probably was a terminal that used a modem.
For at least 24 years I've been largely cashless, don't ask how I know that. I've gone from writing 1500 checks a year to 40. I've got emails from 1987, been participating in online forums since 1988, got DDOS'd off of one in 1989, and am a charter member of a dating site I joined before online dating was, well, dating.
My team's most productive, knowledgable, and insightful member is also our oldest. He doesn't just keep up with the changes in our company and industry, he anticipates them.
Me? I pass for 10 years younger than I am, but I'm not out of touch with social media etc. I have other priorities. But I suffer some of the same problems the 'younger gneration' does: My attention span can be very short, honed that way by too much surfing the Web and too many short responses (this was a problem before the Twitter...). I tend to not retain certain types of information, since I can get it in a moment or two.
I've considered my phone a web browser since at least 2002, though WAP wasn't much fun. Oh, I still use WAP, and my website has a WAP side I keep alive for my personal use. My current phone is actually faster than my current home desktop computer, and my 4G connection is virtually as fast as my cable connection. If these metrics make me part of the 'youth-oriented culture', fine. But a youth-oriented culture isn't anything new at all. The idea of that alone dates you into the same culture as most of us fall into - marketable.
And I hate being marketed to. Assuming you know what I'm interested in limits me more than anything else. Stop it, or I'll slap you in the face with a large trout.