‘Tis (almost) the season! Retail and etail spend massively on measurable digital advertising. This is true all year long, but recent studies show at least 26.8% of retail sales happen during Q4. Additionally, retailers typically devote 25% of their annual budgets to media during the four-day shopping period from Black Friday to Cyber Monday, according to a survey by performance advertising software Nanigans. So holidays are a huge deal for retail.