For people traveling to a new destination it is quite common not to be fully aware of the local customs and cultural differences in many situations. In many parts of North America, 15 to 20 per cent extra is expected in restaurants. However, travellers to Japan and China aren't expected to tip services provided. Gratuities might be even extremely costly to some workers in China, since accepting tips can be even cause for being fired. Click here to read more.
Via Roland Schegg