摘要: 本文系《冒號課堂》（又名《冒號和他的學生們》）系列的目錄提綱，隨著寫作的深入將逐步完善。歡迎大家多提意見！
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摘要:
關于信息系統組織方式的一個改進方案
Information itself is great, but storing and retrieving information sucks.
From a user’s view, most information systems are essentially organized in hierarchical structure. The major flaw of this kind of structure is that it only provides a single path to the target information. Aiming at this, this article proposes a practical solution by borrowing some ideas from Gmail system.
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