Tim Cook on Twitter: Dr. Martin Luther King delivered the speech of my lifetime 51 yrs ago today.We must recommit to achieving his vision. http://t.co/5BVStOF1a4 August 30, 2014 Tim Cook on Twitter: Dr. Martin Luther King delivered the speech of my lifetime 51 yrs ago today.We must recommit to achieving his vision. http://t.co/5BVStOF1a4 Share Get link Facebook X Pinterest Email Other Apps Share Get link Facebook X Pinterest Email Other Apps