Oh... A spending dashboard, then. I can see how that would be useful, but also could be very dangerous if it is gathering all your spending data in one system. If that is compromised, that could be deadly.
Discussion
It's already all in my key anyway...
Yes, but it is distributed through all those services requires some work to pull that info into one place in a cohesive format.
I could very much see building a standard payment receipt that can be used to track things, much like having standard citation formats in various scientific papers.