SAN FRANCISCO – “Raise your hand if you know who is getting fired?” a Meta employee wrote in an online chat group for the company’s engineers this month. While the executives have been joining Meta’s weekly meetings through video chats, their absence from the Menlo Park offices has been felt, employees said, especially since Mr Zuckerberg recently stressed that he expected employees to return to the office. While employees complain that they are not hearing enough from Mr Zuckerberg, he still surprised some recently when he dropped into a discussion group for Metamates, the name given to employees