Part of the reason smartphones have become so popular is the way in which they combine the functions of so many other devices people used to lug around instead. With the ability to browse the Internet, listen to music, play games, and take high-quality photos, it’s becoming increasingly harder to convince people they need to shell out the cash for a dedicated camera, handheld video game system, or music player.
But why is it that as more people buy smartphones, fewer of them are buying chewing gum?