Home much success have you have with GeoDNS? We've seen it fail when users are using privacy respecting resolvers like 1.1.1.1. It gets the continent right but fails on city/state level.
Which APIs would one use to implement this feature on Mac and Windows? For example is there a OS level flag that one can include on windows to not allow capturing of the app’s window - or is a notification sent out when someone tries to capture the screen (and then one can just blank the window)?
One thing the article doesn’t mention is how they figured out that waiting for external memory access is the bottleneck. Are there any profiling tools available that would tell the developer that the cpu is waiting for external memory x% of the time?