Venmo  made paying friends social when it launched in 2009, and today, it’s made paying merchants social, too. Pay With Venmo lets anyone with a Venmo account shop and pay at 2M U.S. merchants that accept PayPal — with a single click. I talked with PayPal  COO Bill Ready  to get an inside look at how it works, the Instant Pay feature that is rolling out too and what both mean for the future of commerce — made social. …see more