Mark Zuckerberg was the leadoff witness in an antitrust case against Meta – one filed under the first term of the president he's now cozying up to.

Meta’s antitrust trial, in which the government contends the company killed competition by buying young rivals, hinges on unknowable alternate versions of Silicon Valley history.

Meta chief executive Mark Zuckerberg on Wednesday denied in court that his company bought rival services Instagram and WhatsApp to neutralize them, as his testimony in a landmark antitrust case came to a close.