Livongo (LVGO) is a digital health services vendor which provides clients with solutions that enable members with chronic health conditions to better manage their condition. While Livongo’s services are relatively simple, they drive better health outcomes for patients and reduce healthcare costs for clients, making it likely that these types of services will become widely adopted in the long run. The share price has more than doubled in recent months and the company's EV/S ratio is relatively high, but I believe the stock is still attractive due to Livongo’s large market opportunity.