A few days ago, I was blown away by kids at the Starbucks probably around aged 10 (give or take a few years) teaching one another how to pay their Starbucks bal

A few days ago, I was blown away by kids at the Starbucks probably around aged 10 (give or take a few years) teaching one another how to pay their Starbucks balance with their iPhone. In my youth I never had such an expensive piece of hardware in my pocket, nor the cash to spend on $4 drinks.