log的学习日志

最原始的设计方式，创作了最好的用户体验产品。

最原始的设计方式，创作了最好的用户体验产品。

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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.