I use 1 email address for most online services (Facebook, and online shops), and I'm pretty sure the shops used my e-mail to look up my "ad profile" on FB. I w

I use 1 email address for most online services (Facebook, and online shops), and I'm pretty sure the shops used my e-mail to look up my "ad profile" on FB. I wonder if they match people through other ways, like name and ZIP code (with Facebook knowing your ZIP code through harvesting your location through their mobile apps), or even more sinisterly, if a friend uploaded their address book to Facebook/WhatsApp, and said friend has conveniently organized their address book to link your name and phone number to your Facebook profile -- the same phone number you gave Home Depot..