What is the scope of learning the Cantonese language?

Spoken officially in the province of Guangdong and many neighbouring areas, Cantonese is totally spoken by over 80 million speakers across the globe.  It is also popularly spoken in Macau, Southern China and Hongkong along with many different countries overseas, such as  Vietnam, Malaysia, Cambodia and Singapore. It essentially belongs to the Sino-Tibetan Language group…