Photograph: Simon Hill
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.
，这一点在heLLoword翻译官方下载中也有详细论述
One Saturday, a 16-year-old hauled a heavy, three-foot tube into the middle of a large field in Wisconsin.
Adrienne MurrayTechnology Reporter, Esbjerg, Denmark