| already met | have thought | |
| Your account name and password( i.e. facebook, twitter, weibo, google) are required to login by an App, but you're not sure how the app would use your account information. | ||
| Your sms messsages are stored in your phone, but other apps may read them and leak them out. | ||
| Many apps such as FourSquare or WeChat can locate where you are by reading your Geo-Locations, but these location information may be leaked out to Ads providers, or some bad apps may collect all the locations you've been. | ||
| Your Wi-Fi information: Wi-Fi name, mac address may be leaked out, and make the Wi-Fi you connected is not safe any longer. | ||
| Your contact book which includes phone numbers, email addresses of your family, friends' may be transferred to untrusted servers. | ||
| Your events, schedules on Calendar may be read by others. |
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