How is tobacco being marketed in Vietnam, Cambodia, the Philipines today? For profit only.

It remains the 'moral responsibility' of each country's governments to state health concerns and restrict advertising only because the tobacco companies only care for profits and continue to attempt to sell their product without warning of health issues. It's reprehensible.

...of the 1.22 billion smokers, 1 billion of them live in developing or transitional economies.

In Indonesia, the lowest income group spends 15% of its total expenditures on tobacco. In Egypt, more than 10% of households expenditure in low-income homes is on tobacco. The poorest 20% of households in Mexico spend 11% of their income on tobacco.

http://en.wikipedia.org/wiki/Tobacco#Advertising