Mobile Banking Gets Riskier
If consumers don't want to share the information about what they buy, they shouldn't have to. Coupons should not be automatic, and data-sharing should happen only on an opt-in basis.
"Digital wallets" that let consumers pay with the swipe of a smartphone could make the plastic credit card obsolete. But the technology also could chip away at consumers' privacy—and tempt them to spend more than they otherwise would.