When I send a picture to a friend (e.g. via Messages, Mail, or Tweet), is the location information in that photo preserved? In other words, can they see where I took that photo?
What about when I use 3rd party apps such as Facebook?
This is a feature usually only offered by professional photo software. Removing metadata (like
Aperture for example offers to export picture as either an original or a version. When you choose to export a version the meta- and gps-data is removed from the original.
I know from experience that sharing via the following options does not remove these and from pictures:
Here's what the metadata of an export as original look like:
Here's what the metadata of an export as version by Aperture look like. This is an exported version of the same original. The data will differ depending on the export options for a version.