It's good that you are managing to ignore these. However, while is common knowledge that Google collects data on everyone, informed opinion seems to be that the

It's good that you are managing to ignore these. However, while is common knowledge that Google collects data on everyone, informed opinion seems to be that they do so on a wholesale basis rather than having their vans follow individuals, which would likely be prohibitively expensive. You may want to think about the possibility that you are having some symptoms of one of the mental health problems which cause paranoia. If so, it may be a good idea to get it checked out, as they can be really hard to deal with once set in.