Small talk to have the sphero change colors
http://go-talks.appspot.com/github.com/dherbst/go-lightning-sphero/go-lightning-sphero.slide
Or install go present
go get golang.org/x/tools/cmd/present
present go-lightning-sphero.slide
If you get an error on osx about termio.h, try setting the CC environment variable:
export CC=clang
You can see the sphero api here http://gobot.io/documentation/platforms/sphero/