The new feature, rolling out to some U.S. users, eventually will be available to all of Facebook and Facebook Messenger users who have PayPal accounts.
Facebook has 1.57 billion mobile monthly active users and Facebook Messenger has more than 1 billion monthly active users. PayPal has 167 million active consumer accounts.
By 2017, mobile commerce revenue will make up 50 percent of U.S. digital commerce revenue,
Thirty percent of...