【新朋友】点击标题下面蓝字【可可英语】加关注【老朋友】点击手机右上角图标【转发分享】内容听力文本First there was the keyboard, then the touch screen. Some tech companies say a wearable pair of glasses could be the next leap in technology, even if it didn't work out for Google glass. In the future we won't be only limited to our smartphones, when it comes to understanding the world around us. So this is our early investment in that future. The US-based company Snap's investment is this, the Spectacles 3 sunglasses. This third version is smarter than the previous ones. It has two cameras. The corner of the glasses lights up when recording video, and allows the wearer to put 3D objects in the video. Here are some flowers. Users can capture up to a minute of video.In a very different application, the AM glass by Hong Kong-based Pacific
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