Today, the sepia tones of Instagram in 2010 have been usurped by the saturation tool, which splashes vivid turquoise into oceans and paints hills in a verdant green rarely spied in nature. Photo / Getty 
Today, the sepia tones of Instagram in 2010 have been usurped by the saturation tool, which splashes vivid turquoise into oceans and paints hills in a verdant green rarely spied in nature. Photo / GetShow more

How Facebook changed Instagram, and then the app changed our world