Where to Buy: $79.99 $52.23 at Amazon
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，这一点在向日葵下载中也有详细论述
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她进一步说明：“此事默认了此类技术具备大规模公共监控能力，正是我们担忧的情形——利用模型整合海量数据点。”
2008 年 3 月 6 日，苹果免费开放 iPhone SDK，三个月内下载量突破 25 万。同年七月，App Store 随 iPhone 3G 上线，首批 500 个应用在首个周末下载量突破百万，至 2009 年初累计下载突破 10 亿次。