DoubleClick AdExchange is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
eBuzzing has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Shopping and 79 other categories.
DoubleClick AdExchange is leading in News & Media, Travel, Tourism, Accommodation & Hotels and 32 other categories.
eBuzzing is leading in most countries, including France, Italy, Spain, United Kingdom and 28 other countries.
DoubleClick AdExchange is leading in Germany, United States, China, Netherlands and 23 other countries.