“If I were to upload a photo of my kids playing at the park and I accidentally had it shared with the public, this system could say, hey wait a minute, this photo is of your kids,” he said. “Normally you post this to just your family members. Are you sure you want to do this?”
Sounds simple enough. Plus, as we all know Facebook won’t be around forever and no one wants images of their family floating around the web, right?