In response to COVID-19 and the associated lockdown and economic crash, advertisers have slashed budgets. Online budgets are not immune.
This has clarified features of the online ad market: it is demand-driven, relies heavily on SMEs and startups, and is built on direct response campaigns.
We expect online advertising to outperform other media, and for platforms to further gain share. But with a very few exceptions, this health and economic disaster is good for nobody.