What Every Mobile User Needs To Know About Protecting Their Eyes How many hours do you spend looking at your smartphone each day? The truth is, you’re probably using your phone more than you think. Smartphones have become deeply integrated into every hour of our daily routines. However, behind https://www.diigo.com/item/note/b2kvl/jta5?k=98c36c1c8bcf49ec071d42aba82986c0