Our askMTJC wonders how many fingers we store on Touch ID. We follow up on how Apple will have us change how we use the next iPhone. We discuss how deep learning is used to shape Siri's voice, the cost of building apps, and HDR video. Jaime tells us about Microsoft and Amazon's will combine digital assistants. You can check which of your iOS apps won't work with iOS 11. Apple and Accenture will partner to build apps. We look at Google's release of ARCore as an answer to ARKit. Picks: WTF Auto Layout, HIG: Augmented Reality, 360|iDev 2017 Highlights.