More than four in 10 college students said they did not plan to use their phone or tablet for researching or buying back-to-school items.
Adult tablet users are more likely than adult smartphone users to redeem mobile coupons.
By 2016, 44.5% of marketers are expected to offer mobile coupons.
Online coupon users will account for 55.0% all US internet users in 2014.
Social media users are more likely to respond to product offers shared by friends and family in their networks than to offers included in sponsored posts and social display ads.
Roughly 4 in 10 American adults use online coupons or deals like those offered by Groupon.
Nearly two-thirds of mobile moms have researched over-the-counter medications online via smartphone.
Inserts and circulars from Sunday newspapers were the No. 1 source used to find coupons in the past 30 days, cited by 61% of adults who used coupons.
39% of US adult internet users favored newspapers for receiving ad inserts and fliers, compared with just 21% who preferred the web.
Coupons delivered via print remain a popular go-to when it comes to saving money on groceries.