tonight in san francisco for your my name is peter and we are very delighted to have with us charlton d. mcllwain, vice provost of the faculty engagement and development at new york university. he's also the founder of the center for critical race and digital studies and co-author of race appeal how candidates invoke the race in political campaigns, the winner of the 2012 a psa ralph's monkey award and also with us he'd david ellington's founder and executive chairman of the silicon valley block chain society, a global member driven ecosystem block chaining cryptocurrency related project across industries and for social impact. members are active investors primarily in technology, collectively representing more than 1.5 trillion in investment capital, and the motto is funded revolution. i love that. we are so pretty new that is very compelling story, very important story kind of lesser known in tech, but looking at people have been working towards a social justice inside the tech industry and the book is called "black software: the internet & racial justice, from the afronet to black lives matter