The rise and fall of Theranos

The rise and fall of Theranos is gripping stuff. The $700m startup touted a revolutionary one-prick suite of blood tests that never worked well. But it managed to keep its failures hidden, writes Vanity Fair's Nick Bilton, thanks to the secrecy and controlling policies of its founder, Elizabeth Holmes. Holmes seems to have been aware of the technology's failure from an early stage, but was committed to it in a way that suggests a cult more than a company. (more")