This is why we do not have exit data being accepted by tripigy. Images are not tagged with geo data upon upload. You can report your location so the data has some value, but you need to control it.
Most people don't realise phones and camera tag this geo data in exif format to images.
Yes as per previous comment, ensure when you post photos it is done securely and either shown to those you know or just ensure only public photos are sent up.