In terms of market share, Partner-Ads is clearly lagging behind, losing to Unicast in all segments.
Partner-Ads has better usage coverage in more websites categories. Including Chats & Forums and Internet & Telecom.
Unicast is leading in Arts & Entertainment and Performing Arts.
Unicast is leading in most countries, including United States.
Partner-Ads hasn't got a lead over Unicast in any country.