Analysis of this data showed a clear pro-Democrat bias in election-related Google search results as compared to competing search engines. Users performing Google searches related to the three congressional races the study focused on were significantly more likely to see pro-Democrat stories and links at the top of their results.
As Epstein’s previous studies have shown, this can have a huge impact on the decisions of undecided voters, who often assume that their search results are unbiased. Epstein has called this the Search Engine Manipulation Effect (SEME). –Breitbart