As a Florida licensed attorney, let me give my legal perspective regarding privacy and the law in the U.S.. Your Fourth Amendment right to privacy only extends to what you truly keep private. Sharing your information with a 3rd Party, such as a friend, phone company, business, etc., waives your right to privacy because you have shared it with someone else, and therefore there is no longer any expectation of privacy once the information leaves your exclusive control. This has been the law since the early 1970's, when the Supreme Court ruled that phone registry records were not protected by the Fourth Amendment because you waived your right to privacy knowing that a 3rd Party (the phone companies) had a record of what number you called.
The same applies to pictures on a cloud system. If you truly want to keep pictures private, keep them in your phone or computer and don't load them to a cloud or share them with anyone else. Once you hand over the pictures to a 3rd Party, there is no expectation that the 3rd Party has an obligation to keep private what you share with them, specially if you are dumb enough to hand them pictures of you committing a crime.
People love to waive around big words like freedom of speech, right to privacy, right to assembly, etc., but seldom bother to actually read the laws and find out exactly what these things mean and just what is protected and what isn't. For example, just because you have freedom of speech it doesn't give you a free pass to slander others, or threaten and verbally abuse others, or say things that amount to a crime (such as fraud). Your rights have limitations, and it is your duty as a citizen to keep yourself informed as to the extent and limitations of your rights, and act accordingly (or suffer the consequences).
that's interesting stuff.
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