Because Bing does what Google does, which is uses your search history to show you targeted ads. DuckDuckGo only shows keyword based ads, which aren't as effecti

Because Bing does what Google does, which is uses your search history to show you targeted ads. DuckDuckGo only shows keyword based ads, which aren't as effective but do not require building a persona of personal information to target. It's totally a problem and disingenuous of the article to talk about the "Business Model" of DDG and not mention this.