Ad Spirit is leading in Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Business & Industry, Sports, Shopping, Soccer and 77 other categories.
MSN Ads is leading in People & Society, Arts & Entertainment, News & Media, Computer & Electronics and 54 other categories.
MSN Ads is leading in most countries, including United States, India, Canada, Brazil and 52 other countries.
Ad Spirit is leading in Germany, Poland, Austria, Switzerland and 12 other countries.