It's absolutely mind-boggling to think of all the tech-related advancements that have occurred over the last, oh, fifty years. And while we do poke fun at the technical abilities (or lack thereof) of the geriatrics in our lives, we've really got to hand it to them: There's been a lot to keep up with. While my 93-year-old grandmother impresses me with her knowledge of how to email, the truth is that there are definitely elderly people who are both more and less technologically advanced than she…