In terms of market share, Open AdExchange is clearly lagging behind, losing to TapIt! in all segments.
TapIt! has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Shopping, Games and 22 other categories.
Open AdExchange is leading in Newspapers, News & Media, Sports, Office Products and 4 other categories.
TapIt! is leading in most countries, including United States, Canada, China, Indonesia and 17 other countries.
Open AdExchange is leading in Denmark, Guatemala and Germany.