[charcircuit]

Yes, the simplest example is crashes being reported.

Developers can see that a specific crash is being hit by 1% of their userbase and then check the logs to see what went wrong and where the cash happened. The fix is made the program is indeed better.

[account42]

You can let users report crashes. You can even prepare the data for them. You can even provide a wizard that automatically opens on crashes to help upload that data. But you need to obtain informed consent. Sending data behind the user's back without ASKING FIRST is not ok. Stop doing it.