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 18,484 websites that are IntenseDebate Customers. We know of 1,917 live websites using IntenseDebate and an additional 16,567 sites that used IntenseDebate historically and 982 websites in the United States.
Get a list of 18,484 websites using IntenseDebate which includes location information, hosting data, contact details, 1,917 currently live websites and an additional 1,247 domains that redirect to sites in this list. 16,567 sites that used this technology previously and 982 websites in the United States currently using IntenseDebate.
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