This is a simple example of R and Shiny that was created for a talk with the Greater Cleveland R Group on June 24th, 2015.
For those who are interested, here is the talk itself: https://www.youtube.com/watch?v=QU6J8Z8ue-c
Here are the slides: https://docs.google.com/presentation/d/1dnjjEulHSFJdcadGrJ11hvpu1y8BbsaPXaBfu-rfwss/edit?usp=sharing