translation.en: There's been a strong trend toward miniaturization, better sensitivity, so much so that, a few years ago, a GPS tracking device looked like this clunky box to the left of the keys.
translation.zh: 现在的潮流是往小的造， 往更精确的造。几年前， 一个GPS定位器大小和钥匙左边那个 笨重的盒子差不多。