Everyday,hundredsofthousandsofusvisitcoffeeshops.Whilew...
問題詳情：Everyday,hundredsofthousandsofusvisitcoffeeshops.Whilewedrinkourcoffee,wemayconnectoursmartphonetotheshop’sWi-Finetwork,andkeepintouchwithfriendsviaservicessuchasFacebook.Aswellassocializing,...