I call it the Grandma Test. Within reason, whatever my grandma is currently doing or capable of using on her devices is “the norm.” if she struggling to do it,

I call it the Grandma Test. Within reason, whatever my grandma is currently doing or capable of using on her devices is “the norm.” if she struggling to do it, then it’s not mainstream. There’s obviously exceptions to this rule, but it’s been working pretty well for me.