The millionaire critic who scared Facebook now wants to help fix the internet (Marcus Baram/Fast Company)

Marcus Baram / Fast Company
The millionaire critic who scared Facebook now wants to help fix the internet – David Magerman, the ex-RenTech partner who criticized Robert Mercer, prompted Facebook to go on the attack. Now hes joining Differential Ventures to invest in tech. In the hedge fund world and in the drama surrounding Cambridge Analyticas harvesting of personal data, as well as Facebooks year-long fall from grace, there …