Meta told staff Thursday it plans to lay off roughly 8,000 people, or around 10% of the company, two sources confirmed to Axios. Why it matters: The cuts underscore how soaring AI costs are pressuring even the biggest tech companies to cut jobs to protect margins and reassure investors. Zoom out: Meta's capital expenditures have ballooned in recent years, sparking investor concerns that excessive AI spending will eat into profits. In January, the company said it expects capital expenditures to soar by at least 60% this year compared with 2025, "driven by increased investment to support our Meta Superintelligence Labs efforts and core business." Free cash flow, meanwhile, is expected to plunge 83% year over year. Reality check: Meta is no stranger to large-scale cuts. Layoffs affecting more than 20,000 workers jump-started Meta's pivot to efficiency in 2022 and 2023 . The big picture: Many Big Tech companies are eyeing layoffs as a way to appeal to investors in the AI era.…