The authors started their own Freakonomics blog, which is "meant to keep the conversation going", in 2005.
In May 2007, writer and blogger Melissa Lafsky was hired as the full-time editor of the site. In August 2007, the blog was incorporated into The New York Times' web site – the authors had been writing joint columns for The New York Times Magazine since 2004 – and the domain Freakonomics.com became a redirect there. In March 2008, Annika Mengisen replaced Lafsky as the blog editor. The Freakonomics blog ended its association with the New York Times on March 1, 2011.
Among the recurrent guest bloggers on the Freakonomics blog are Ian Ayres, Daniel Hamermesh, Eric A. Morris, Sudhir Venkatesh, Justin Wolfers and others.
In 2008, Stephen Dubner asked for questions from the site's readers and then featured them in an extended Q&A on "Best Places to Live" with demographics expert Bert Sperling.