Web experts , users say mobile payments will replace cards , cash . Comment: Others say users ' security concerns might slow that process . The survey by Pew Internet and Elon University sought out Internet experts .
Web experts , users say mobile payments will replace cards , cash . In survey , 65 % expect phone payments to be the norm by 2020 . Others say users ' security concerns might slow that process . The survey by Pew Internet and Elon University sought out Internet experts .