This is a specially designed for high security requirements to build your app.
No server-side record retention. Each user has a separate private key.
Encrypted before the client send, friend is only one who could decipher the information,
Biography wrong information can be easily recycled.
Close family members may be authorized at any time to read the children location,
As long as the child's phone has Internet can know its location.
Map the exact location displayed directly, without having to call,
To know whether school or work back home on the road.
3. computer to phone
Push text or photo from web to phone http://safechat.wnotice.com
4. push by chrome extension
Support Google Chrome extension https://chrome.google.com/webstore/detail/push-message-to-mobile/bcagbbkmockgkkdggjimkijinbabcapp