U.S. grocery retailers and some of the country's largest fast-moving consumer goods (FMCG) manufacturers, have gotten off to a rocky start this year. Growth in the first three months of 2017 was slow for many categories across the store.

According to an analysis of 1.5 billion emails from 1,000 US companies, by Klaviyo, success rides on a combination of segmentation (deliberate, selected mailings,) and automation (triggered mailings by customer behavior.)