In terms of market share, Harren Media is clearly lagging behind, losing to Open AdExchange in all segments.
Harren Media has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, TV & Video, Movies and 45 other categories.
Open AdExchange is leading in Marketing & Advertising, Travel, Real Estate, Law & Government and 14 other categories.
Harren Media is leading in most countries, including Brazil, Mexico, Spain, United States and 25 other countries.
Open AdExchange is leading in Denmark, Guatemala, Cote d Ivoire, Norway and one other country.