![Affluent millennials](https://cache.luxurydaily.com/wp-content/uploads/2015/01/luxury-shoppers-185.png)
NEW YORK – With retail sales flatlining, brands must appeal to a new demographic to sustain growth and forge relationships with the next generation of ultra-affluent customers, according to a senior executive from Unity Marketing at the Luxury Retail Summit: Holiday Focus 2015 on Sept. 16.