How Has Technology Evolved in the Area of International Tax?

I started my career really focusing on a very bespoke international tax quantitative calculation. That required us to actually look at other technologies outside of spreadsheets. And I was able to take a lead role in that probably more just out of dumb luck and where I was sitting at the time of Minneapolis than anything else. So it really started with the Fisk Rules and this idea of creating one centralized location within a system, which is Pillar 2.