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With the same shape and color, the sticky notes lose their function because we can hardly tell the tasks with higher priority from all the other tasks. TIK TOK STICKY, a sticky note that can change it s color over time, is a solution to this problem. Once the back of the sticky note is exposed to the air, its color will gradually turn into red within three days taht we could clearly know how many missions deadline approaching.
Shirong Gu Yingbin Shuai Lei Wang