In terms of market share, Open AdExchange is clearly lagging behind, losing to Social Dot Com in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Shopping, Sports, Office Products and 15 other categories.
Social Dot Com is leading in Books & Literature, Food & Drink and Soccer.
Social Dot Com is leading in most countries, including Sweden, Spain, Brazil, Turkey and one other country.
Open AdExchange is leading in Denmark and Norway.