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, Computer & Electronics, Games and 15 other categories.
Open AdExchange is leading in Shopping, Business & Industry, Law & Government, Tourism and 10 other categories.
Harren Media is leading in most countries, including Brazil, Peru, Indonesia, Argentina and 26 other countries.
Open AdExchange is leading in Denmark, Sweden, Norway, Latvia and one other country.