In terms of market share, Open AdExchange is clearly lagging behind, losing to Unicast in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Shopping, Sports, Office Products and 13 other categories.
Unicast is leading in People & Society, News & Media, Arts & Entertainment and Performing Arts.
Open AdExchange is leading in most countries, including Denmark, Norway, Portugal and Sweden.
Unicast is leading in Brazil and India.