(Sound) A television ad airing all over East Asia is aimed at luring tourists to South Korea.

VOA: standard.2009.11.05

Their ad in the newspapers started a flood of letters - more than one hundred a day.

VOA: special.2010.04.24

Then they begin a trip through ad-land.

VOA: special.2010.06.04

This is done in an ad hoc fashion. It is not done in a systematic way.

VOA: standard.2009.08.31

"And so they've had to act in sort of a more ad hoc fashion.

VOA: standard.2010.05.05

A substantial amount of time and resources are committed to a Super Bowl ad,".

VOA: standard.2010.01.27

But a survey of advertisers and media buyers by ad researcher TNS Media Intelligence says in 2010, that same commercial is selling for between $2.5 to $2.8 million.

VOA: standard.2010.01.27

"There has to be a strategy beyond just a 30-second ad.

VOA: standard.2010.01.27

That alone is worth quite a bit of money,". "There was a study I just read which mentioned that one Super Bowl ad can be as effective as 250 regular TV commercials."

VOA: standard.2010.01.27