Learning with Technology, University Park, PA, 24 March Rosso, M. and Jansen, B.J. (2010) Smart Marketing or Bait & Switch? Competitors' Brands as Keywords in Online Advertising. 4th Workshop on Information Credibility on the Web (WICOW 2010). World Wide Web Conference (WWW 2010), Raleigh, NC. 26-30 April. Jansen, B.J. (200