AdCentric is leading in Top 100K Sites.
Harren Media has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, TV & Video, Movies and 40 other categories.
AdCentric is leading in Computer & Electronics, Software, Internet & Telecom, File Sharing and 24 other categories.
Harren Media is leading in most countries, including Brazil, Spain, Indonesia, Peru and 17 other countries.
AdCentric is leading in United States, Canada, Russia, Japan and 12 other countries.