Just how bad is the Q1 ad market going to be?

What do media layoffs and tech worries have in common? Fear about what’s ahead in coming quarters, especially as it relates to advertising revenues.
The advertising business is huge and lucrative. So lucrative, in fact, that for major tech shops, some level of advertising-derived income is unavoidable once they reach a certain scale. Amazon is famed for its mega-scale advertising business (the other side of that coin is here); Apple’s App Store is an ad goliath; Microsoft’s Bing search engine generates material advertising incomes, and the company has even greater ad-focused

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