Mark Zuckerberg has a theory for why tech layoffs aren't slowing down: Companies are realizing that, while painful, there are benefits to being "leaner."In an interview with Morning Brew Daily's podcast published Friday, the Meta CEO said companies are still adjusting to the post-pandemic era. He also discussed competition with Apple, among other topics in a wide-ranging interview. The first waveDuring the pandemic, e-commerce sales went through the roof, which drove big gains in online advertis...