No Plastic Sleeves: The Complete Portfolio Guide for Photographers and Designers discusses brand identity, including buttons as visual expression for photographer Anthony Georgis. He snapped a shot from the book where his buttons are featured, and wrote,
I made buttons instead of business cards. I mean come on right? Who wants a business card? With the Blood Makes the Grass Grow project the title had such a nice ring to it – kind of like a band name or something, so yeah, buttons!