Just to play devil's advocate, does Fitbit Versa share your information with third parties for any reason, expected or otherwise?
> How Information Is Shared
> We do not share your personal information except in the limited circumstances described below.
> For External Processing
> We transfer information to our corporate affiliates, service providers, and other partners (so, basically anybody) who process it for us, based on our instructions, and in compliance with this policy and any other appropriate confidentiality and security measures. These partners provide us with services globally, including for customer support, information technology, payments, sales, marketing, data analysis, research (so we can ad target you), and surveys.
If I buy a gadget to track my personal exercise routine, it is definitely unexpected that my whereabouts are being monitored by advertising companies. Does Apple do the same with their fitness data on the watch?
You're free to speculate on the worst possible implications of their privacy policy too. Here's an excerpt from https://www.apple.com/legal/privacy/en-ww/
Service Providers
Apple shares personal information with companies who provide services such as information processing, extending credit, fulfilling customer orders, delivering products to you, managing and enhancing customer data, providing customer service, assessing your interest in our products and services, and conducting customer research or satisfaction surveys. These companies are obligated to protect your information and may be located wherever Apple operates.