Tech Google watch, Fitbit, hearables: How big will the wearable tech industry become? August 12, 2019 Daniel B. Kline, The Motley Fool Comments Off on Google watch, Fitbit, hearables: How big will the wearable tech industry become? A new report says yearly wearables industry revenue will jump 135% by 2023. This is good news for Apple and other major players in the space.