my name is peter, we are very delighted to have with us charlton mcilwain. he is also a professor at the steinhardt school. he is also the founder of the center for critical race and digital studies and co-author to appeal how candidates in u.s. political campaign. it is the winner of the 2012 a psa award. also with us, is e david ellington the executive chairman of the silicon valley block chain society. he is a global member driven ecosystem supporting block chain and crypto currency. the latest projects across the industry and for social impact, the members are active investors primarily in technology, collectively represent more than 1.5 trillion in investment capital. the motto of this is fun the revolution. i love that. we are celebrating a book tonight that is very compelling story, a very important story, lesser-known intech history but yet really looking at people who have been working toward social justice inside the tech industry, the book is called "black software", the internet, from the afro net to black lives matter. it is a book by charlton m