. Cell phones keep you safe. Believe it or not, a cell phone could save your life. Here is an example: On April 20, 1999, 2 teenagers walked into Columbine High school carrying sub-machine guns and homemade bombs intending to do some major damage. 13 innocent students were murdered and many more would have been if it weren’t for some students and their cell phones. 1 student, hiding for his life, calls 911 and describes the location of the school, and what the murderers looked like. If it weren’t for him and his cell phone and many others, many other students would have died. There are many other true stories like this one where people’s lives were saved because of cell phones.