In terms of market share, Advertise.com is clearly lagging behind, losing to Open AdExchange in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Shopping, Sports, Tourism, Sports and 10 other categories.
Advertise.com is leading in Career & Education, Health, Internet & Telecom, Adult and 8 other categories.
Advertise.com is leading in most countries, including United States, Saudi Arabia, Brazil, Canada and 5 other countries.
Open AdExchange is leading in Denmark, Norway, United Kingdom, Sweden and one other country.