The quick-service chain expands a menu line that has become the most successful product launch in its history

Anti-Valentine's Day and singles promotions target those who aren't celebrating the holiday

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The chain targets Twitter users for a last-minute Valentine’s Day-themed giveaway

Marketing consultant Laura Ries discusses the importance of the signature menu item.

Research on QSR chains shows improvements in marketing directed at kids, but indicates more change is still needed.

Paul Macaluso is the fast-casual brand's chief marketing officer

The casual-dining chain has has increased its social media efforts and investments to amplify its traditional marketing.

Many restaurants are extending promotions and specials through the weekend to celebrate the holiday.

Chief financial officer Jack Hartung said commodity inflation hit “harder and faster than expected.”