Some tech-savvy parents in Silicon Valley are fighting back against the widespread use of screens, saying children have the potential to become addicted to their phones, tablets, televisions and other technology. Athena Chavarria, a former executive assistant at Facebook who works at the Chan Zuckerberg Initiative, said, "I am convinced the devil lives in our phones and is wreaking havoc on our children." Others feel the jury is still out on what children’s exposure to technology will bring, but almost everyone stresses some limits. Where does your family stand on potential tech addiction?