TPM was founded as a political blog in 2000 by Marshall, who until 2004 was the site's sole employee. In 2005, he incorporated TPM Media LLC, In the mid-2000s, the company launched a series of projects under the TPM umbrella. A spin-off blog,
TPMCafe, debuted on May 31, 2005. This site featured a collection of blogs about a wide range of domestic and foreign policy issues written by academics, journalists, and former public officials, among others. Guest bloggers included politicians, such as then-senators
Sherrod Brown,
Bernie Sanders and
John Kerry and at-the-time future senator
Elizabeth Warren; journalists, including
Ezra Klein,
Dahlia Lithwick,
Paul Krugman,
George Packer, Ed Kilgore,
Glenn Greenwald,
Jonathan Chait,
Peter Beinart,
Emily Bazelon,
Matthew Yglesias, and
Michael Crowley; activist
Aaron Swartz; policy experts, including
Robert Reich and
Dean Baker; and novelists
Anne Lamott and
Jonathan Franzen.
TPMCafe has been described as a "social gathering place for readers to share news and opinion," and a precursor to social media.
TPMmuckracker expanded on Marshall’s work, with journalists working for the
TPM collective, such as Paul Kiel and Justin Rood, investigating political corruption.
TPMDC, founded in January 2007, was staffed by Washington-based journalists and covered politics from the capital. TPM Media also acquired from
The American Prospect "The Horse's Mouth," a blog by Greg Sargent about how major news outlets covered Washington politics. Beginning in the summer of 2006, many weekend postings were provided by
anonymous blogger DK. On November 11, 2006, DK was revealed to be attorney David Kurtz, who went on to serve as an editor for the site. By 2007,
TPM received an average of 400,000 page views every weekday. == Coverage ==