iOS: For reasons ranging from risqué to super-spy, you might occasionally want to send a secret image to somebody. While there are plenty of apps you can use to send disappearing images, Cammeleon is a cool little iOS app that lets you hide images within images.
To keep your secrets hidden, open the app, take a picture, add an optional caption, and hit the right arrow next to the caption box (even if you can’t see it). Then, add a second picture and an optional password, and use the same right arrow to send it wherever it needs to go.
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