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 17,780 websites that are IntenseDebate Customers. We know of 1,656 live websites using IntenseDebate and an additional 16,124 sites that used IntenseDebate historically and 766 websites in the United States.
Get a list of 17,780 websites using IntenseDebate which includes location information, hosting data, contact details, 1,656 currently live websites and an additional 580 domains that redirect to sites in this list. 16,124 sites that used this technology previouslyand 766 websites in the United States currently using IntenseDebate.
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