For a long time, people accepted that music and voice could only sound so good through their usual devices. A better pair of speakers or upgraded headphones seemed like enough. Then came a new way of listening that questioned the limits of stereo sound....

If you’ve ever used a laundromat you know the problem. Laundromat prices are Opaque. Sudspotter fixes that. Most self service laundries don’t list washer or dryer prices online. A few do, but they’re the exception. In practice, you have to physically visit a coin laundry...