As the Center for Media and Democracy has noted, the tobacco industry pioneered many deceptive public relations tactics, casting a long shadow over science and health reporting, as well as the public's right to know.

Before its fall from grace, tobacco industry created front groups courted journalists and obscured damning scientific evidence. But, inadvertently, the industry is now helping independent researchers and reporters understand how PR is used to obscure facts and shape public debates.

In the original version of the blog post, "Environmental Defense or Nanotech Defense", I cited a webpage, which stated that a DuPont created Teflon leather protection product "works on the nano scale", as an example of the company having nanotechnology products on the market.

Subsequently, a reader disputed that Teflon could be a nanotechnology product and described the company's use of the word "nano" as marketing hype. After requesting clarification from DuPont, one of its nanotechnology researchers, David B. Warheit, has confirmed that the Teflon leather protector is not a nanotech product. We have corrected both the original blog and the article in SourceWatch. Invista's promotional page on the DuPont Teflon leather product, however, remains unchanged and potentially deceives consumers of its product into thinking that it is based on nanotechnology. A request to DuPont's PR section for a copy of the June 3, 2003 media release announcing the new Teflon product, which I noted in the original post has gone missing from its news archive, has so far gone unanswered.