American have long considered a willingness to innovate,to exepirement in the face of changing needs and circumstances to be a distinguishing feature of their history and culture.From the plant breeding breakthroughts of pre Columbian people to the new deal's try anything response to the depressio,from the forging of an African American culture by slaves to the transformation in everyday life of the digital revolution,the willingness to make it new has been a constant element in American history.