Google has run adverts on hundreds of questionable websites including sanctioned sites in Iran and Russia, according to new research that has prompted calls for greater transparency and oversight of its $223bn-a-year ads business.
The search giant displays search ads on its own platform but also on other third-party websites in the so-called Google Search Partner network. These include its other platforms such as video site YouTube. In addition, when developers create search engines for their own websites using a Google tool, the company serves ads next to those search results as part of the GSP.
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