I send error data from all of my web and mobile apps. We catch a LOT of bugs that we don't see in test due to browser differences or state differences. While th

I send error data from all of my web and mobile apps. We catch a LOT of bugs that we don't see in test due to browser differences or state differences. While this may be invasive, it's necessary to deliver a good customer experience. I believe a gradient exists here. That's why we don't collect any usage information, but error reporting is something I've found life changing especially given how fragmented the experience is across different browsers and devices.