In terms of market share, Unicast is clearly lagging behind, losing to ViralBuzzer in all segments.
ViralBuzzer has better usage coverage in more websites categories. Including Arts & Entertainment, Humor, Shopping, Computer & Electronics and 5 other categories.
Unicast is leading in People & Society, News & Media and Performing Arts.
ViralBuzzer is leading in most countries, including United States, Netherlands and Russia.
Unicast hasn't got a lead over ViralBuzzer in any country.