htan@insider.com (Huileng Tan) / Insider: Tech
Amazon has frozen headcount at its growing advertising business, after it posted a glum fourth-quart – Amazon is the third largest digital advertising platform in the US by revenue, after Google and Meta.Amazon Thursday Night Football TruckAmazon is becoming an ad behemoth. Nick Cammett / Getty Images Big Tech is bunkering down for a harsh winter ahead. The entire sector is getting hammered by layoffs and …