这一聊天形式的短信服务最早来自于苹果的iChat IM程序,它将用户对话历史完整保留,并通过颜色区分,这样一来用户可以更有条理地同时跟不同的人对话.山寨机们现在可以仿外观,仿系统,但仿这款软件的时候得仔细考虑一下冒不冒这个风险咯.
Apple's current chat format for SMS (left) and the patent's alternate version (right).
Examples of composing a new message (left) or viewing chat history (right), both of which are found in existing iPhone software.