The privacy policy very clearly specifies that you are authorizing your information to be used for advertising etc. purposes. Considering you supplied your phone number and everything, imagine what you might have to put up with in coming future. Lol. (Yes, even if you do not get selected for the pilot program, they could still use this information very well, and maybe sneakily too, so you will just wonder why you are being bombarded by advertisers. Lol)
This thread is not meant to attack google, but let's come up with creative ways google could make your life a little harder by using that information.