Snap’s chief executive talks about steering the social media company through economic headwinds while focusing on augmented reality as a long-term strategy. Photo: Nikki Ritcher for the Wall Street Journal Tech Things With Joanna Stern Everything is now a tech thing. In creative and humorous videos, WSJ senior personal tech columnist Joanna Stern explains and reviews the products, services and trends that are changing our world. More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com/ Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #Snap #Interview #WSJ