There's an app for that?

There's an app for that? Coffee app finds caffeine's safe zone PENN STATE (US) — A new software app can tell when a cup of coffee will give you a mental boost and when it will keep you awake. Caffeine Zone software takes information on caffeine use and integrates ... View or comment on Vickie Kline's post » Google+ makes sharing on the web more like sharing in real life. Learn more. Join Google+