How to Change Your Phone Color Effectively

History Decoded on Instagram: "Most people think smartwatches are a modern invention-but they’re off by nearly 40 years. What you’re seeing is the Casio T-550, an engineering marvel released in 1983, long before the consumer internet existed. This wasn’t just a watch; it was among the first consumer devices to feature a fully integrated touchscreen. Unlike today’s capacitive displays, its screen used a transparent digitizer layered over the watch face. Users could draw numbers and symbols direct