Skip forward to 2006, when Apple filed for a patent for an onscreen keyboard, gesture recognition and a virtual scroll wheel.
来到2006年，此时苹果公司为屏显键盘，手势识别和虚拟鼠标滚轮申请专利。
Virtual currencies in mobile games are a huge driving force for popularity of apps, with 35 percent of the top 300 free games in the Apple app Store using in-app purchases as their monetization model.
手机游戏中的虚拟货币是其大众化的巨大推动力，苹果应用商店最受欢迎前300名免费游戏有35%正是以程序内购买作为其货币化模式。
Virtual currencies in mobile games are a huge driving force for popularity of apps, with 35 percent of the top 300 free games in the Apple app Store using in-app purchases as their monetization model.
手机游戏中的虚拟货币是其大众化的巨大推动力，苹果应用商店最受欢迎前300名免费游戏有35%正是以程序内购买作为其货币化模式。
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