META OWNER MARK Zuckerberg has testified today in a landmark US antitrust trial, defending his conglomerate Meta against accusations it took over Instagram and WhatsApp to devour budding competitors. The federal court trial in Washington has dashed Zuckerberg’s hopes that the return of Donald Trump to the White House would see the US government let up on the enforcement of antitrust law against Big Tech. Federal Trade Commission (FTC) attorney Daniel Matheson showed Zuckerberg emails from 2012 in which Facebook’s former chief financial officer listed possible reasons for buying start-ups like Instagram, including “neutralizing a competitor”. Zuckerberg sidestepped commenting on…