What do Twitter Chief and anti-Jewish conspiracy theorist have in common?The anti-Jewish conspiracy theorist was eventually banned, but not before providing Jack Dorsey with some help.Social media apps Twitter and Facebook [Illustrative](photo credit: REUTERS)
![Social media apps Twitter and Facebook [Illustrative]](https://images.jpost.com/image/upload/f_auto,fl_lossy/q_auto/c_fill,g_faces:center,h_720,w_1280/255918 "Social media apps Twitter and Facebook [Illustrative]")