In many food safety investigations, disease detectives ask people what they ate. But most people often can't remember. Enter the loyalty card database, which never forgets.

Discounters have been watching supermarkets flood the market with loyalty card programs and have been trying the waters themselves lately, with Target (TGT) the latest to take the plunge, if a ...

Credit cards and loyalty programs have transformed consumer behaviour. With the right card and rewards combination, you can earn a significant return with minimal effort. The Globe’s Big Guide ...