On the last day, in the middle of the chaos, there was a simple card that caught my eye. It just said, “Do you need a college degree to work in tech?” But first, before answering this question, let me give you some background. A few days ago, I went to a post-apocalyptic technology event — I received an invitation from Udacity to attend WebSummit 2017 in Lisbon — one of the world’s most influential and international tech events.