Crossing the Chasm – Mark Madsen (Ignite OSCON 2015)(youtube.com)3 points·by mwilcox·11년 전·0 commentsyoutube.comCrossing the Chasm – Mark Madsen (Ignite OSCON 2015)https://www.youtube.com/watch?v=TA4AzYVsjLY0 commentsPost comment—