Design lab 13: Guerrilla testing Thursday, 27 April 2017 https://www.buzzfeed.com/andyneuenschwander/18-people-who-really-shouldve-gone-to-design-school?bffbmain=undefined&ref=bffbmain&utm_term=.tmQm0yeMX#.ki4QvAo9j evaulationtestingusersanalysismethodsresearch