You are making the assumption inventors are primarily motivated by money. I doubt this to be the case. Furthermore, the sharing of photos and memories is known

You are making the assumption inventors are primarily motivated by money. I doubt this to be the case. Furthermore, the sharing of photos and memories is known to have therapeutic qualities for humanity: http://www.photovoice.org/html/methodology3tp/therapeuticphotography.htm http://www.photovoice.org/html/methodology3tp/therapeuticpho...