To run this application in Cloud 9, you'll need to run through a series of commands:
Set up your environment the first time through: gem install bundler bundle install
Every time you want to host your webapp, use this: shotgun -p $PORT -o $IP
Now you... -> Add in two items and shout both of them as a phrase -> Add in exclamation points -> Add some front-end style -> (Challenge) Use one input box and collect multiple items separated by commas