It seemed like just yesterday that South by Southwest was declared the new Cannes for the agency and media world. Suddenly it’s the Consumer Electronics Show, a weeklong extravaganza of digital gadgetry that plops 130,000 on the Vegas strip. Digiday’s own Mike Shields is roaming the city, probably looking for a cab. We’re complementing his coverage with the daily thoughts of top agency and media executives on the ground. We asked them to briefly describe what they saw or heard that day that points to the future of digital media and marketing.