Excerpt from Ad Age:
“…in just a 4-month-long pilot run, mobile outperformed Porsche’s wider campaign…The carmaker used Yahoo behavioral targeting tools to serve Porsche ads to smartphone users whose web-surfing behaviors had indicated they were in the market for coupes, SUVs, convertibles or luxury cars.”
source: Mobile Effort Gets More to Say `I Can’ Purchase a Porsche. Rita Chang. Ad Age. February 9, 2009 [sub. required]
more on Yahoo and behavioral targeting