Intense Debate is a sophisticated external comment system for WordPress blogs. From Automattic.
https://www.intensedebate.com
Widgets · Comment System
Get access to data on 17,794 websites that are IntenseDebate Customers. We know of 1,682 live websites using IntenseDebate and an additional 16,112 sites that used IntenseDebate historically and 778 websites in the United States.
Get a list of 17,794 websites using IntenseDebate which includes location information, hosting data, contact details, 1,682 currently live websites and an additional 604 domains that redirect to sites in this list. 16,112 sites that used this technology previouslyand 778 websites in the United States currently using IntenseDebate.
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