Every semester I post on my instructional system a link to Missing Children website. Periodically throughout the semester I review some of the link's content. I tell my students that these kids are living next door to someone. Here's the link:

http://www.missingkids.com/home

"Generosity. That was my first mistake."
"Experience must be our only guide; reason may mislead us."
"Instagram is Twitter for people who can't read."