https://www.cnet.com/news/in-screen-fingerprint-sensors-coming-to-100-million-phones-by-2019-report/

Your next smartphone might have a fingerprint sensor built into the screen.

Shipments of phones using the technology will hit 100 million by 2019, according to a report out Wednesday from financial services firm IHS Markit. That's more than tenfold the 2018 forecast of 9 million.