On the other hand you have things like blood glucose testing, which mid-twentieth century happened only in a doctor's office, when today diabetics do it several

On the other hand you have things like blood glucose testing, which mid-twentieth century happened only in a doctor's office, when today diabetics do it several times daily. Obviously not all tests are going to be like that, and I haven't looked at the list of tests Theranos is performing, so all, some, or none of their tests might be similar.