That’s exactly what happened to cofounder (and senior) Mark Singer, the inventor of Gorilla Glue. And with smartphones and smartwatches becoming more and more ingrained in our daily lives, the constant need for reading glasses has never been more clear. For the dozens of times a day when you check your phone, read a menu or write a quick email, you need to have your glasses on hand. With reading glasses, it takes one hand, one motion, and one second to change your glasses from wrist-wear to eyewear, and vice versa.