There have been as many different reasons for people being involved as there is diversity in the images sent. I love this womans response to being involved.
"I was always self conscious of my small breasts. When my aunt and grandmother both were diagnosed with breast cancer causing them to have double masectomies, it opened my eyes. I realized a woman's true beauty is measured by heart, not breast size and that I should be thankful to still have my small, healthy A cup boobs!"