The document discusses 5 facts that no longer hold true for retail industries due to changes in social media and technology. These include: 1) social media is used by all ages, 2) many brands have succeeded using social media, 3) social media implementation is now easier, 4) ROI from social media can now be measured, and 5) existing marketing budgets are often wasted so funds are available. It argues that companies must understand these changes to succeed in the current environment.