Greg Sandoval/Business Insider Good morning and welcome to 10 Things in Tech. If this was forwarded to you, sign up here. Plus, download Insider's app for news on the go - click here for iOS and here for Android.Let's get started.1. Facebook's CTO is stepping down. Mike Schroepfer, Facebook's chief technology officer and one of Mark Zuckerberg's closest confidants, will be taking a role as "senior fellow" within Facebook next year.