Isis adds American Express cards — now you really can’t leave home without it

May 10, 2012 10:37 AM Devindra Hardawar
Devindra Hardawar

Soon you’ll be able to apply that famous American Express slogan (“Don’t Leave Home Without It”) to your smartphone. Isis, the mobile payments venture between AT&T, T-Mobile, and Verizon, announced Thursday that it’s adding support for AmEx cards.

The news …

American Express transforms Twitter hashtags into savings for cardholders

March 6, 2012 5:43 PM Jennifer Van Grove
Jennifer Van Grove

American Express is giving cardmembers one super compelling reason to tweet about promotional offers: instant savings at name brand U.S. merchants.

The company launched a “Tweet your way to savings” program today to encourage members to sync their AmEx cards …

American Express takes to the streets with Serve mobile payment system (video)

August 18, 2011 9:04 AM Jolie O'Dell
Jolie O'Dell

At a recent rock festival in San Francisco’s Golden Gate Park, I ran into some American Express representatives promoting Serve, its new mobile payments product.

See below for a video I made about the product and its rock-show promotion tent.…