With coronavirus (COVID-19) spreading, its more important than ever to make sure phones and tablets are cleaned regularly. Between FaceTime and Zoom, or even just your home computer keyboard -- children are using more gadgets than ever right now. He said the dirtiest thing most kids touch on any given day is their cell phone. So, poop, on your phone.Barrow said studies show most of us touch our cell phones up to 2,500 times a day. So, on top of washing your hands, not touching your face and staying six feet apart -- Barrow said parents need to make sure their kids are keeping their gadgets clean.