A few months ago, I shipped the first version of RouteMatrix. It worked. But something felt off. Instead of blindly iterating on features, I paused and asked a harder question: > What problem am I actually solving? That question changed everyth...

Last night, I challenged myself to solve a very practical problem: How do you find the cheapest fuel stops along a driving route between two cities? At first, it sounded simple. Until I opened the fuel station dataset and realized… It had no coo...