A while back, Spirit Airlines used a controversial ad tagged as "MILF - Many Islands, Low Fares" to promote low prices for selected destinations in the Caribbean.

They now hit back with yet another acronym, "WTF", which according to their marketing "geniuses" stands for "World Traveler Fares" http://www.webhostingtalk.com/images...es/biggrin.gif

Link to campaign: http://www.spiritair.com/welcome.asp...ion&number=570

Link to ad image.