clipped from: www.dynamiclogic.com   
Less Intrusive and New Online Ad Formats Perceived Most
Positively by Consumers
The top five most popular (or least unpopular) Web ad formats are:
  1. Banners
  2. Skyscrapers
  3. Advergames*
  4. "Ghost" ads*
  5. Video ads & audio ads


The top five most popular (or least unpopular) Web ad formats are:
  1. Banners
  2. Skyscrapers
  3. Advergames*
  4. "Ghost" ads*
  5. Video ads & audio ads