Yes - the technique is called steganography, which is the practice of hiding data within image files. However, the process is not practical for hiding multiple messages or images within images - the clue for anyone viewing the data is an unusually large image file. If privacy is a concern, encryption would be a better avenue to pursue.
You cant.
Because I placed it there for a good photo opportunity. They prefer drier and rocky places.
Not all. As long as the passport photo is within the rules and regulations for a valid passport photo then it is good.
Hide in the cellar
go to that photo album, click edit album and then change the visibility oof that album.You need to do that one by one.
To hide more treasure
try turning off "auto flip photos" within photo booth and recording again.
Yes it can. If you have the internet or your Bluetooth. Or even worse if you have a virus. It depends on the virus though, it can hide your photo or delete it.
With 1 day photo printing services, you can typically get your photos printed within 24 hours.
lions escape from their enemies by running.
Yes they do! Their fur colour helps them hide within their environment.
you'll have to make a new album, put that picture in the new album, and make that new album private.