To view the slides in this repo you need to have the golang present tool installed on your machine.
$ go get golang.org/x/net/...
$ go get golang.org/x/tools/...
$ go install golang.org/x/tools/cmd/present
Ensure that the present tool has been installed in the bin directory in your GOPATH
which present
/your/gopath/bin/present
Then just run the present tool and navigate to http://127.0.0.1:3999 in your browser
$ present
2019/02/20 12:25:30 Open your web browser and visit http://127.0.0.1:3999