My partner and I couldn't agree on where to live. Their job's on the other side of Berlin from mine, and every map measures distance in a straight line, which is useless when what actually matters is how long it takes to get there. Nothing I found accounted for public transport or biking, which is how you actually move around a city. So I built Meet in the Middle . Drop two pins (your job, their job), set how long each of you is willing to commute, and it shades the green zone: everywhere you...