Flexible Interfaces
The core services on smartphones all tie in to the idea of a multi-purpose device that can effectively multitask. A user can watch a video clip, field a phone call, then return to the video clip after the call, all without closing each application. Or he or she can flip through the digital calendar and to-do list applications without interrupting the voice call. All of the data stored on the phone can be synchronized with outside applications or manipulated by third-party phone applications in any number of ways.
Systems supported by smartphones include Bluetooth, a short-range, wireless radio service that allows phones to wirelessly link up with each other and with other nearby devices that support it. This includes things like printers, scanners, input devices, computers and headsets. Some varieties of Bluetooth only allow communication with one device at a time, but others allow simultaneous connection with multiple devices.
Also included is data synchronization(同步), a phone that keeps track of your personal information, like appointments, to-do lists, addresses, and phone numbers, needs to be able to communicate with all of the other devices you use to keep track of those things. There are hundreds of possible platforms and applications you might use for this in the course of a day. If you want to keep all of this data in synchronization with whats on your phone, then you generally have to look for a cell phone that speaks the languages of all of the devices and applications you use. Or you can go out and buy new applications that speak the language of your cell phone.
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