If there is one thing you need to remember at all times in the Electronic Age, it is that privacy no longer exists. Every electronic device, every electronic communication, every electronic anything betrays your sense of privacy in every imaginable way, and that is also true of a seemingly innocuous item - the photo.
If taken with a smartphone - as many photos these days certainly are - then the government, as well as ordinary folk (including those who mean you harm) can use metadata embedded in that photo you just tweeted or posted on Facebook to find out your exact coordinates. That includes where you live, if that's where you sent or posted the photo from, according to a new investigative report by McClatchy Newspapers:
The GPS location information embedded in a digital photo is an example of so-called metadata, a once-obscure technical term that's become one of Washington's hottest new buzzwords .... http://www.naturalnews.com