Geoff Engelstein (@gengelstein) on player experience, playtesting, promotion and more:
http://www.mofbg.co.uk/2013/11/geoff-engelstein-interview-part-1-of-4.html
http://www.mofbg.co.uk/2013/11/geoff-engelstein-interview-part-2-of-4.html
http://www.mofbg.co.uk/2013/11/geoff-engelstein-interview-part-3-of-4.html
http://www.mofbg.co.uk/2013/11/geoff-engelstein-interview-part-4-of-4.html