In terms of market share, RetailMaven is clearly lagging behind, losing to Unicast in all segments.
Unicast has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media and Performing Arts.
RetailMaven is leading in Business & Industry and Shopping.
RetailMaven is leading in most countries, including Australia.
Unicast hasn't got a lead over RetailMaven in any country.