"Users surely realize that every gmail they send and every Facebook message is both mined for information and also accessible to hundreds of people at these com

"Users surely realize that every gmail they send and every Facebook message is both mined for information and also accessible to hundreds of people at these companies." You're kidding right? My expectations would be that the vast majority of people who use those services have no idea that is happening. The internet is a device now, just like all the other devices in their home that most people have absolutely no idea how they work, they only know how to use them.