Security - Observer -observed

If you are walking in at any town of the world today. You as a viewer becomes the one observed. If you are looking up and looking hard, than you notice that you are observing safety apparatuses. These apparatuses are continuous collecting digital data of events. In and at different times and on different locations. The observer beeing observed as he is observing the observer system. And sometimes it is as complicated as it sounds. There seems to be some pepper in this given scenery? Or what?