[sangnoir]

> Isn't that prohibited and eavesdropping onto unsuspecting citizens?

I would assume the privacy expectations of public/private spaces used for photography also apply here. If you happen to be in the frame when I take a photo, am I prohibited from uploading the image to Facebook or Google Photos?

[FractalNerve]

Depends on whom you take a photo off, where and from where. It's a complicated matter juristically, but the morale is easy. Don't take a photograph of someone visible in your photo without their consent. If so, at least don't upload it anywhere public or online.

In Germany there's a law giving you the copyright on your own photo[1], it's difficult in the USA and less difficult in other countries[2]

EDIT:

Voice recordings are practically illegal in the public without consent in Germany[3] and also in the USA [4][5].

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[1] https://de.wikipedia.org/wiki/Recht_am_eigenen_Bild_(Deutsch...

[2] https://en.wikipedia.org/wiki/Photography_and_the_law

[3] https://dejure.org/gesetze/StGB/201.html

[4] https://en.wikipedia.org/wiki/Legality_of_recording_by_civil...

[5] https://www.rcfp.org/browse-media-law-resources/digital-jour...

[goialoq]

From [2]: "Should the subjects not attempt to conceal their private affairs, their actions immediately become public to a photographer using normal photographic equipment."

[greggman]

not sure photography matches audio recording bit for photography here's a good reference

https://commons.m.wikimedia.org/wiki/Special:MyLanguage/Comm...