When someone asks how ordinary people can use social media to make a change in the world, point them to this collaborative blog of how 5 girls and 4 dads went on a mission to help families in Ethiopia have access to clean water. Five for Water. A very simple blog to hold videos from their trip. This is my favorite quote. “Mom, say hi to mars and tell him to eat his food but not socks.” (Ah, dogs.) You can read the backstory here.