Teen builds an app to help Alzheimer’s patients connect with their loved ones

The app uses an artificial intelligence-powered facial recognition system to help Alzheimer

For many teenagers, their lives typically might revolve around schoolwork and spending time with friends. Not so for Emma Yang.

At the age of 14, the Hong Kong-born Yang has already created her own mobile app for Alzheimer’s patients, which has impressed the likes of Microsoft Corp founder Bill Gates and Alibaba Group Holding executive vice-chairman Joseph Tsai.