Who can follow these two guys: Rob ter Horst & Richard Davidson?

Rob ter Horst Rob ter Horst scientifically tested the Samsung Galaxy Fit3 smartwatch against a Polar H10 a chest strap. The Polar H10 chest strap costs 70 USD. The Samsung Galaxy Fit3 is available for 65 USD: But which scientists buy a smartwach which was scientifically tested by Rob ter Horst? And can you follow …