In a well-documented announcement yesterday, the chairman and CEO of Facebook, WhatsApp and Instagram outlined his plans to make the world’s largest social media group “smaller and more efficient” through spending cuts, office cuts, a hiring freeze and substantial cultural change in the way we operate.” He said: “I want to take responsibility for these decisions and how we got here. I know this is difficult for everyone and I am especially sorry for those affected.” Meta shares have lost more than 70 percent of it