In terms of market share, AddyON is clearly lagging behind, losing to Open AdExchange in all segments.
AddyON has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, News & Media and 38 other categories.
Open AdExchange is leading in Law & Government, Newspapers, Real Estate, File Sharing and 14 other categories.
AddyON is leading in most countries, including Italy, Germany, Brazil, United Kingdom and 19 other countries.
Open AdExchange is leading in Denmark, Norway, Sweden, Canada and 3 other countries.