[1] He was the author of "The Haggler", a bi-weekly column in the Sunday edition of The New York Times.
[2][3] Until June 11, 2017 Segal authored the bi-weekly "The Haggler" column in the Sunday edition of The New York Times, in which he printed and attempted to resolve reader-submitted letters about plights in customer service.
[8][9] David Segal has written pieces for The New York Times about technology and business topics including search-engine optimization[10] and SEC-related fraud.
[12][13] Segal's December 2010 story about a Brooklyn-based online eyeglass seller, Vitaly Borker, who manipulated his site's Google search ranking through negative publicity[14] received attention from the media and prompted Google to alter its algorithms.
[16] At The Post, Segal wrote a profile about a British man who sued Wilco for using sounds he'd recorded in the band's album Yankee Hotel Foxtrot.