There are people who make money with ASMR videos, people making money eating old military rations, etc and posting it on YouTube. I am not saying these are viable career options, but are examples of 'jobs' that seem absurd but exist because of recent technology
Web design, coding, app design, site reliability engineers , debugging, user interface testing, so many new jobs
While I am pretty certain there were analogues of it 40 years ago (1977), the idea of a "lifestyle coach" and similar professions would seem a bit out there back then.
Web design, coding, app design, site reliability engineers , debugging, user interface testing, so many new jobs