Both Coupons.com's GroceryiQ app, left, and the MyWebGrocer app, above, facilitate the use of coupons by providing shopping lists that serve as reminders to purchase the product.
Digital coupon sites Coupons.com and Shortcuts.com allow loyalty program members from participating retailers to download coupons directly to their loyalty cards.
Bracelet sensors are used to measure skin response in order to determine how the mobile application impacted consumers’ behavior as they shopped for electronics items.
Ahold USA's Stop & Shop and Giant-Landover chains last week launched a mobile application for iPhone and Android devices, joining several supermarket operators that did the same last winter.