A new report from "consumer troubleshooting" site FixYa shows that proprietary chargers, data inaccuracies, and missing features are some of the top complaints consumers have about their wearable activity trackers.
Using data from consumer issues and complaints posted on FixYa, the company put together a list of five of the most high-profile devices -- Fitbit Flex, Nike+ Fuelband, Jawbone UP,...
