Loyalty Marketing

PC Plus app lets customers collect points, create shopping lists and receive personalized offers

Customers complain about inconsistencies on programs, lack of staff knowledge

A look at how the soda brand's contest on Facebook engages both consumers and retailers

A look at how to drive sales by engaging, educating customers through effective sampling

Magazine readers will help decide which products are superior

Consumers say they want low prices.

The social media giant is marrying consumer purchase habits with advertisers

Food is a big part of new publication, says Walmart's chief marketing officer