"Label" your camera, memory cards, USB flash drives, and portable storage devices, with your contact information.
Then, if you loose one of them, you might get it back.
Photograph your contact information.
Print it out using a large font size to make it easier to photograph.
Then, lock the photograph so it isn't transferred from the memory card.
Create a folder called If found, please return to.
Create a Word file with your contact information, and place it in the folder.