BUY ONE...GET ONE...
The Australian Financial Review, 11 May 2012, 848 words , (English)
..."We actually refer to them as heroin," associate professor of marketing at Melbourne Business School, Mark Ritson, says of BOGOFS. "They are addictive; they drive immediate sales but at the expense of the long-term health of the brand."...

Olympic sponsors are ambushed by competitors using athletes in adverts
i, 11 May 2012, 391 words , (English)
...Professor Mark Ritson, a marketing specialist at Melbourne Business School, in Australia, who has written extensively about the build-up to the Olympic games, said consumers were invariably "totally bemused" by who is an official sponsor and who isn't...