Service complaints can leave a bad taste

Consumers more aware of their rights but overreaction can also be a problem, reports Shi Jing in Shanghai.

If the hamburger you bought at McDonald's was too spicy for your taste, what would you do? Try to quell the spice to make it more digestible or call the police for help?

Most people would feel there was little point in making a fuss, but one customer in a Guangzhou outlet of the burger chain opted for the second choice.