According to Visa 96 percent of U.S. payment volume took place on chip cards, with the large majority being chip and signature cards; starting next month major card brands will look to move customers to the chip and PIN cards that have been widely adopted across Europe; Merchants will be able to turn cell phones into terminals instead of buying expensive POS terminals with pin pads; wide adoption will take time as smaller retailers might not see the benefits as quickly and large retailers have invested a lot in the current technology. Source.