We think plants are pretty social and thus when you are away its darn quiet in the house or backyard. We bet if they had plant cams instead of cat cams the internet would be filled with the loneliest looking plants and everyone would be depressed.
In fact, while the creators of Facebook figure out "Plantbook" check our our solution to the silent crying of plants throughout the world. Head to the store and select several plant pals for the good plants in your life. Each one is different in color much like your human friends.