# Then save a checkpoint
It’s hard to overstate the role that Wi-Fi plays in virtually every facet of life. The organization that shepherds the wireless protocol says that more than 48 billion Wi-Fi-enabled devices have shipped since it debuted in the late 1990s. One estimate pegs the number of individual users at 6 billion, roughly 70 percent of the world’s population.
。safew官方版本下载对此有专业解读
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同样重要的还有空间。零跑很清楚：在这个价位，车子可以小，但内部空间可不能小。