facebook and the inner workings of the company and i think they know our book is different because we spoke to those people inside the company. and yes, they are anonymous but they're anonymous because they still work there. and facebook did not allow them to speak to us. so, in order to keep their jobs, they had to speak to us, anonymously. >> sheera frankel, we thank you so much. the book again is "an ugly truth: inside facebook's battle for domination." our thanks to sheera frankel. we'll be right back. (man) i've made progress with my mental health. so when i started having unintentional body movements called tardive dyskinesia...