For photographers
Share your photos. Know whose copy was shared.
Give each person their own copy with a secret mark inside it. If that photo is shared somewhere it should not be, upload it to ExactMark and check who you originally sent it to.
Choose a photoAdd the photo you want to send.
Add their nameExactMark quietly makes a separate copy just for them.
Check it laterIf it gets shared, upload it to see whose copy it was.