Who knows what Google does with the data? Maybe they still keep the history, but attached to an 'anonymous' ID, or they don't keep history but first analyse and

Who knows what Google does with the data? Maybe they still keep the history, but attached to an 'anonymous' ID, or they don't keep history but first analyse and infer new data and store that with your profile. Or they provide the data to a 3rd-party instead. Or ...