某些免费或低价的应用在设计上都会向用户推送广告：其他一些则会处心积虑盗窃用户的个人信息或跟踪其互联网浏览习惯。
Some free or low cost applications are designed to serve ads to users; others are designed to steal personal information from users or track their Internet browsing habits.
某些免费或低价的应用在设计上都会向用户推送广告：其他一些则会处心积虑盗窃用户的个人信息或跟踪其互联网浏览习惯。
Some free or low cost applications are designed to serve ads to users; others are designed to steal personal information from users or track their Internet browsing habits.
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