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 Travel, Newspapers, Law & Government, Real Estate and 12 other categories.
Harren Media is leading in most countries, including Brazil, Portugal, Spain, India and 48 other countries.
Open AdExchange is leading in Denmark, Norway and Sweden.