Microsoft adCenter Conversion is leading in Top 100K Sites and Top 1M Sites.
Microsoft adCenter Conversion has better usage coverage in more websites categories. Including Business & Industry, Shopping, Health, Computer & Electronics and 105 other categories.
ViralBuzzer is leading in Humor.
Microsoft adCenter Conversion is leading in most countries, including United States, Great Britain, France, Canada and 35 other countries.
ViralBuzzer is leading in Hong Kong.