A letter to the E.U.'s Competition commissioner, Margrethe Vestager, from 14 European comparison shopping services has criticised Google over its Shopping search advertising, which was opened up last year, following a massive fine, to allow competitors to run ads.
Google fined $2.7 Billion by EU commission [webmasterworld.com]
The criticism is specific in that it feels the system is weighed in favour of Google as it doesn't have to bid for its own shopping ads, whereas the competitors do.
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