My take on the problem: http://www.quora.com/Aaron-Greenspan/Paying-With-Your-Phone-Is-Awesome-Because-Its-Not-1960-Anymore-In-Reply-To-Farhad-Manjoos-Paying-W

My take on the problem: http://www.quora.com/Aaron-Greenspan/Paying-With-Your-Phone-Is-Awesome-Because-Its-Not-1960-Anymore-In-Reply-To-Farhad-Manjoos-Paying-With-Your http://www.quora.com/Aaron-Greenspan/Paying-With-Your-Phone-...