And the Mexican fast-casual chain is "leaning into nontraditional venues such as universities, military bases, airports and casinos."

Accuracy can take a hit, according to a study by Intouch Insight.

Chief Brand Officer Iain Douglas explains the "Rescube" campaign, which touts the chain's ice cubes, made from its coffee.

Still, tipping trends are better for restaurants overall, with 45% tipping servers 20% or more, up from 38% last year.

Seeming contradiction: Fast-food restaurants are both increasing the number of combo meal offerings AND raising prices on those bundled meals.

But while burgers have traditionally led sales for QSRs, sluggish results were forecast for burger, sandwich and pizza restaurants.

IHOP VP Lenna Yamamichi discusses chain's new campaign that launches its Value Menu.

The Harris On Demand survey on behalf of Xenial of fast casual and QSR diners took a deeper look specifically at LTOs such as Starbuck's Pumpkin Spice Latte, McDonald's Shamrock Shake and the Taco Bell MexiMelt.

In Snapchat study, 79% said they "like when mobile delivery apps suggest other items they want added to their order."