7-Eleven introduces newly revamped, redesigned and even more rewarding 7Rewards   IRVING, Texas, 2017-Nov-28 — /EPR Retail News/ — While a Slurpee® is sweet, and a Big Gulp® is chill, there’s more to the 7‑Eleven® experience than bountiful beverages. That’s why 7Rewards®  – the mobile customer loyalty app that earns users a free beverage for every six cups purchased – has expanded…