I exceed the EPA highway MPG when using cruise control for 100s of miles w/ little traffic. When driving manually or being a bit more aggressive with passing, MPG falls below the MPG estimates.
Can't you potentially land into an inconsistent state if the failed request keeps on failing while the other db request succeeds? Is the dual-write on the synchronous request path? I'm assuming there's a timeout or some fixed number of retries that occurs and once that is exhausted what would happen?
A Brooklyn based artist did this recently and made a book of his conversation history (and covered an apartment with some of the pages). You can find a bit more information and pictures at https://www.halfspace.uk/messages-2011-2017
I wouldn't be so quick to assume foul play. Could it be some piece of software installed on the recipients browser/machine that is sending the links off somewhere to be scanned?
As the average end user, yes one key difference is that the system can actually run one of the three applications that you use on a daily basis. We also allow the user to continue using a file system that she is comfortable with, making adoption easier. Other differences are by design transparent.
From the perspective of a more security aware user, they will immediately notice that their data is cleartext _only_ when they are using it locally and only they have the capability to access their cleartext data.
As a developer, you may appreciate the underlying integration with your system. But this of course remains to be seen (as others have pointed out, we have not yet made any code public).