Many of the 100 fastest-growing US retailers are missing opportunities to create connections with customers by personalizing emails after purchases, sending welcome emails after opt-ins, and reaching out to cart abandoners, according to a June 2012 study from ExactTarget. Only 74 of the Hot 100 Retailers (based on the National Retail Federation’s STORES 2011 Hot 100 Retailers Report) sent welcome emails to new subscribers. And although a significant proportion were found to gather personal data during the opt-in and sales process, just 5% with in-store opt-in personalized emails after an in-store purchase, and only 21% did so after an online purchase. In another missed opportunity, only 16 of the 72 (22%) retailers with e-commerce sites sent cart abandonment emails. Read the rest at MarketingCharts.