Mark noticed something amiss with his toddler. His son’s penis looked swollen and was hurting him. Mark, a stay-at-home dad in San Francisco, grabbed his Android smartphone and took photos to document the problem so he could track its progression.
It was a Friday night in February 2021. His wife called their health care provider to schedule an emergency consultation for the next morning, by video because it was a Saturday and there was a pandemic going on. A nurse said to send photos so the doctor could review them in advance.