In the first year-over-year
comparison with a month impacted by the 2020 COVID-19-related ad recession, the U.S. ad market expanded nearly 25% vs. the same month last year. Importantly, it was the best March since Standard Media
Index (SMI) began indexing the U.S. advertising marketplace, and it was up 7.2% …
It's like ratings books when I worked in TV. Every bad one reminded me of how good I would feel in one year and vice versa.
@Douglas Ferguson: Which is why we included two-year comps, too. Also, the index goes back nearly 10 years if you want to compare things over time.