大象传媒

A new app is helping blind people solve everyday problems by combining smartphones video technology and an army of armchair volunteers.

World Hacks investigates how it works and explores whether micro-volunteering projects like this have the potential to solve all kinds of problems in the future.

Presented by Mukul Devichand.

Image caption: Vicky, who is blind, using an app to help her sew / Image credit: 大象传媒