https://techcrunch.com/2019/12/21/this-week-in-apps-the-year-and-decade-in-review-gaming-acquisitions-and-a-facebook-os/

Welcome back to This Week in Apps, the Extra Crunch series that recaps the latest OS news, the applications they support and the money that flows through it all.

The app industry is as hot as ever, with 194 billion downloads last year and more than $100 billion in consumer spending. People spend 90% of their mobile time in apps and more time using their mobile devices than watching TV. Apps aren’t just a way to waste idle hours — they’re big business, one that often seems to change overnight.