To help you share with people you know, your address book is continuously uploaded and stored on our servers.
When you connect 彩色气球 app with your phone or tablet's address book, you'll be able to see a list of your contacts who are on 彩色气球 app. You can choose contacts to follow from this list. When your address book is connected, it's continuously uploaded and stored on our servers. You can disconnect your address book at any time in your phone settings.