Meta's China risk is overstated: the spend from Chinese advertisers is diverse and resilient to everything short of a full-blown trade war. 

Apple (and Tesla) are in the more precarious position of selling directly in-market, and face sharpening domestic competition.

Amazon's exit from selling in China still leaves it exposed: its marketplace strategy is built on Chinese sellers, whose potential routes to market are proliferating with local platforms going global.  

Media reports of ads by top brands appearing next to extremist content on YouTube have surprised advertisers and led to a barrage of criticism from other media companies, agencies and the UK government

Despite several advertisers pausing spend, the revenue impact for Google is likely to be small in the short term – but the debate is a symptom of ongoing tension between “frenemies”: large agencies and Google & Facebook 

By urging Google alone to educate display advertisers and filter campaigns, agencies risk ceding more of their client relationship to the advertising giant, while calls for the platform to make all editorial judgements on political content are inappropriate