The ambitiously titled post An Amazing list of all the Google products and how they are used provides a list so long that about halfway through I thought “I’m sure that’s everything”.
Just how much of your information have you uploaded to one of the services of a company that has no direct accountability to any government, or even (as far as I can tell) any particular individual?
I don’t want to be another conspiracy theorist, I just want to encourage you to think about what information you’re sharing, and about your privacy settings on the different sites where you’re sharing things.