In today's world we are privileged with first world problems. The Egyptians had to build pyramids by hand, the Greeks had to conquer the world on foot, and today our biggest obstacle is getting to the grocery store without Google Maps.
Laptops in Class
About a year ago I had a guest lecturer that said Google Glass was out on the market. I quickly got on Google and ran a fact check, she was wrong. Lecturers beware or don't allow computers if you don't want to be proven WRONG!