Amex is Upping its Technology Game to Turn Heads at the U.S. Open

In 1993, tennis champs Steffi Graf and Pete Sampras took home the championship trophies at the U.S. Open. That's also the first year financial services company American Express partnered with the United States Tennis Association (USTA) to sponsor the event. Amex has stayed a sponsor ever since--25 years and counting. But a long stretch like...