The new process of buying something in a store these days:  1.  Swipe card, 2. Get scolded by cashier to use the chip reader, 3. Insert chip and cancel all foreseeable plans.  The WSJ has pulled out the stopwatch for over over 50 transactions at various retailers and calculates it takes twice as long to pay with a  chip card than with a card swipe---on average, 13 seconds versus  seconds.  The author believes this will be the final straw that kills the plastic card, opening the path for mobile payments once and for all.