Recently, while chatting with my sister about posting photos of our kids on sites like Facebook and Instagram, she told me that she’d heard that other people can sometimes divine the location where the photo was taken. To prevent strangers and lurkers in the seedy underbelly of the Internet from figuring out where she lives while viewing pictures of her cute-as-a-button 3-year-old, she says she turns off the location settings on her phone when she’s not using it for navigation. I vaguely remembered a news report on the same issue a while back. Ironically, even though I’m all over social media – I have accounts on Facebook, Twitter, Instagram and Google+ – I still want to pretend like I have some control over my privacy. I disabled the location sharing setting on my variou...