«Epstein’s group asked 661 Americans to pick one of two candidates in an Australian election. Since it was presumed they did not know much about Antipodean politics, the participants were instructed to research them with a Google-type search engine that offered the usual autocomplete suggestions when words were typed in. However, the researchers also varied the search suggestions shown beneath a candidate’s name, including a range of positive and negative words. The results were stark. When participants were later questioned about their voting preferences, changing the ratio of positive to negative suggestions in the autocomplete was shown to be capable of shifting the preferences of undecided voters by nearly 80 per cent — even though participants seemed free to search for any material they wanted».