As smartphone is widely used in the world, the main functions of telephone booth have been replaced. Telephone booths have been low utilization rate and faced the crisis of demolition. However, there is still not having a solution for the telephone booth in Hong Kong. Although Hong Kong telephone booths added the WiFi function, the hygiene issue and old facilities made people not willing to using telephone booths. In addition, some of the young generation have even never used the telephone booths and they do not know how to use the booths. Therefore, to arouse the awareness of protecting telephone booth value, this project aims to develop a solution for current telephone booths by using a promotional strategy. 

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