I'm 71, spent my career building healthcare expert systems, and just shipped a genealogy app — her

I spent decades building large expert systems for healthcare. Complex logic, structured data, trying to make meaning out of messy records. Turns out that's not terrible training for genealogy. I built Witness because I thought existing apps were cold. You get a chart of names and dates. Your great-great-grandfather survived a pandemic and crossed an ocean, and all you get is a birth year. Witness layers actual history onto your family tree — pulling from historical newspapers, GeoNames, an