I read a story recently about a guy who, through sheer happenstance, managed to fix his entire life. He had gotten laid off of his job and was getting desperate. He usually picked up the New York Post and applied to the jobs he saw there. This time they were out of the Post, so he grabbed the Times. He saw an ad for a job fair. He went to the fair. The fair was practically empty, but the employers were desperate, the…
Except in your example, blue collar doesn't appear to use the internet to find jobs or job fairs, even if they have a Facebook account. This reads like a pitch for smart devices for baby boomers. Sure it's a blue ocean, but most retirees don't use smart devices, even though they may have a cell phone.
And I think you underestimate the utility of technological aids for old people. They are using them, more now than ever.