Please give an example of how Social Media has NOT worked for a particular company or product?

Social media is effective in every company I have personally worked with. Its making sure it is utilised in the right manner. Say social media doesn't work is the same as saying marketing in general doesn't work

When doctors went on strike here, many pharmaceuticals made huge profits due to influx of patients thronging in for prescriptions. Although not all were selling exorbitant prices, the media targeted the entire industry as a man eater society. After the strike was called off, many premises had abandoned bad image

its a gernal principle that "the thing which looks will sold" so to sold any thing or deliver any services must have to be advertise in the public and win the public heart and public openion about your company and about your services. So any company who will not advertise its services will not successfully obtain its targets.