ChatGPT is gaining market share in the online search market, challenging Google's dominance.A recent survey shows that 5% of respondents preferred ChatGPT as their top search provider, up from 1% in June.Google's search share slipped from 80% to 78% according to the survey results.Generative AI features, such as those offered by ChatGPT, are increasing user engagement and posing a threat to Google's search dominance.