Biggest Stories of the Week

Tech PR: Computer Geekdom Celebrates Answer to 26-Year-Old Mystery

Nutella’s Incredible, Unbelievable, Completely Inexplicable—but Totally Legal—PR Blunder

Multi-Sensory Advertising: Domino’s Pizza-Scented DVDs

J.C. Penny to America: ‘It’s Not You. It’s Me. (Now Please Come Back.)’

Finance, Airlines, and Telecom Prove Most ‘Socially Devoted’ Industries on Twitter