The document discusses successful social video campaigns and how to measure their impact on brands. It provides examples of Old Spice and Evian campaigns that employed best practices like memorable creative content, audience participation, extending the campaign, and surge media. These practices helped Old Spice capture 75% of the male grooming category and Evian gain views through memorable content and extensions. The document advocates for using Share of Choice metric to measure true brand performance compared to competitors in the social video space.