This qualifies for it's own article, because it's something that EVERYONE should read and really think about.   Please watch this very disturbing video 

This is all about privacy concerns.  You never know what you are REALLY putting on the internet when you innocently post a photo.  I will say that this video got over 18 MILLION hits on YouTube, so it's certainly making the rounds.  I invite YOU to send it to others as well.

I have just changed my settings.  Have you?  And try to think about some of the other apps that ask for your location settings.  Even an app that tracks your steps while walking could track WHERE you are doing it as well.  Again, makes you think!