thank you very much, nabil hannan, - who you are.ery much, nabil hannan, thank| who you are. thank you very i much, nabil hannan, thank you for coming on. thank you. the outage is not the only reason facebook is in the news at the moment. a bad week could be about to get worse. on tuesday whistleblower used to work for the company will tell us politicians at a senate hearing that facebook�*s own metrics know how much time it causes people. with me is courtney bembridge. start with the whistleblower, who are they and what are they alleging. it's a woman named frances haugen. and until recently she worked at the civil integrity unit at facebook. she left earlier this year and on her way out she carried a series of documents that's since been dubbed the facebook files. they had a range of information in them. one of the things the senate hearing will be focusing on is the impact of instagram on is the impact of instagram on young users. the company's own research found almost one third of young girls who used instagram found that it mad