upwind 近期的日志中提到概念图，第一次听到这个概念，觉得很好，开始尝试...
organizing information and ideas for reports, memos, letters, novels or poems, "to do" lists, presentations, meetings, brainstorming sessions, managing projects, grocery lists, vacation planning, journalling, note taking ... in other words for anything that deals with people, information or problems!
