This week, my Grade 4 class was learning about Internet Safety. We talked about common lures predators will use online, why it is important to never give your passwords to friends, not to believe what people say online, and that it is very important to think about what is being posted. We talked about the fact that once a photo is posted online, anyone can copy it and do with it what they will. I wanted to show my class how fast and how far photos can spread on social media sites like Facebook. To illustrate the point, I wrote a message on our whiteboard. It looked like this: I took a photo of the message and posted it on my Facebook page on June 2 at 3:30pm PST. I was shocked with the results! By 7:00am the next day, it had already reached over 6700 people. The class began to map where the comments and likes were coming from (and I was able to sneak in a geography lesson!). We created this map after the first day: As m...