Roger McNamee, an early investor in Facebook who introduced Sheryl Sandberg to Mark Zuckerberg, is in London to give evidence to parliament yesterday about the huge problems at the heart of the global platform.

Roger McNamee, an early investor in Facebook who introduced Sheryl Sandberg to Mark Zuckerberg, is in London to give evidence to parliament yesterday about the huge problems at the heart of the global platform. Instead he spoke to @Channel4News..pic.twitter.com/jqtqmtPaME

— Carole Cadwalladr (@carolecadwalla) September 12, 2019