According to the Official Google Blog
“ It offers users a safe and secure way to collect, store, and manage their medical records and health information online. How many of us have touched, or even seen, our medical records? In this day and age of information, isn't it crazy that you don't have a copy of your medical records under your control? You could use those records to develop a better understanding of your health and ultimately get better care. It's your data about your own health; why shouldn't you own and control it?”
Wonder how many of us would jump at this chance.