Clean up the demo code a bit.
Clean up the demo code a bit.

alyssaq/plottable,NextTuesday/plottable,iobeam/plottable,onaio/plottable,jacqt/plottable,danmane/plottable,danmane/plottable,alyssaq/plottable,gdseller/plottable,iobeam/plottable,RobertoMalatesta/plottable,softwords/plottable,iobeam/plottable,alyssaq/plottable,softwords/plottable,NextTuesday/plottable,onaio/plottable,onaio/plottable,RobertoMalatesta/plottable,jacqt/plottable,danmane/plottable,palantir/plottable,palantir/plottable,NextTuesday/plottable,jacqt/plottable,gdseller/plottable,palantir/plottable,palantir/plottable,softwords/plottable,RobertoMalatesta/plottable,gdseller/plottable