Video: Environment

Toilet app brings relief to those caught short in Shanghai (2:16) 

April 8 - Technology is bringing relief to smartphone users who need to answer the call of nature in Shanghai, a bustling city of 23 million. Despite being a tourist magnet, Shanghai is lacking in public toilet facilities, although a new app designed by a local company is now addressing the occasionally urgent problem. Elly Park reports. ( Transcript )

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