It's late at night; your child complains of a sore throat and has a mild fever. You've tried, but cannot reach your pediatrician. Do you go to the emergency room, or stay home from work the next day to take your child to the doctor's office? Most parents have faced that question at one time or another. These days, though, there is a third alternative: an online physician consultation, the digital version of the house call that doctors made prior to the late 1970s. Read the full story here.