Since the FTC has made it "law"
that web site owners,list owners and publishers put their physical address and phone number on their sites (or be in violation) and all ecommerce mailings, things are getting right into invasion of privacy...
Google has implemented a feature where in you can type someone's telephone number into the search bar and hit enter and then you will be given a map to their house. Everyone should be aware of this! Note that you can have your phone number removed or blocked. I tested it by typing my telephone number in google.com. My phone number came up, and when I clicked on the MapQuest link, it actually mapped out where I live. Quite scary!