Whichever plan you’re enrolled, you can action the Data View functionality on your Gmail profile. Have you tried it already? If you click on the little ‘eye’ icon you will ‘visualize’ your Google profile parameters, those same parameters Googles auction off every day to advertisers and marketers. This information are truly personal data. They span from your age to your gender and from you spoken language to your education degree. Look up your privacy on Google.