Muhammad Saad Khan who belongs to Karachi opened a shop of Bun kabab . His shop did not went well in the starting . Then , someone noticed him near his shop that his sale is not going good and he posted his picture on social media with a note . Afterwards , people started coming to his shop and his food stall become famous. UrduPoint anchor Shan Arain has interviewed him . How his Life changed because of the power of social media , let us know in the video .