Android vs iOS - the battle for your telemetry data
A fact of carrying smartphones with you these days is that they are constantly collecting data. What is more concerning is that recent research undertaken by Prof. Leith of Trinity College found that even if you explicitly opt-out on either flavour OS telemetry data is still transmitted.
Of the two OS's it would appear from his research that Apple collects more information, but Google transfers significantly greater volumes of data!
Data protection regulators, GDPR, CCPA etc. should be all over this, but unfortunately, that does not appear to be the case. But this is exactly what they should be focusing on.
Remember you are allowed to view what data has been collected, if you've never done it then it can be quite sobering:
The original article can be accessed here