VoxEU Column Google/Fitbit will monetise health data and harm consumers Giancarlo Spagnolo Otto Toivanen Nicolas Schutz Michelle Sovinsky Thomas Rønde Monika Schnitzer Paul Heidhues Cristina Caffarra Tomaso Duso Christos Genakos Gregory Crawford Chongwoo Choe Zhijun Chen Tommaso Valletti Martin Peitz Thibaud Vergé Marc Bourreau 30 Sep 2020 Competition Policy EU policies