samuel jackson is confused for lawrence fish bu lawrence fishburn. if human beings are bad, imagine how bad computers are. software that recognizes human faces. his own data shows his computers are almost four times likely to confuse a person with an african background caucasian. you said your programmer made it 60 times less likely to happen. you made incredible progress. how did you make it better and why are those computers still struggling? >> the focus is around your id. when you compare them to customers being registered whether africa or asia tend to be darker skin. the accuracy is less. we recognize the difference and we put the program in place, with the regulator enables of privacy and improvement. we were able to improve the accuracy on darker skin on individuals. so there is still a gap 60 times. >> how do you close the gap? >> there are a number of things, we classify individuals as darker skin and their skin tone where we classify of those darker skin designed for that. it performs much better when it comes to accuracy. >> how do you te