Other (as stated in the work)
Did you know it's possible to draw paths between nodes and across different pictures in LaTeX? This example shows how to easily draw connecting arrows in presentations with the Beamer package.
We've pre-loaded this great example originally published on TeXample.net for you to try out on writeLaTeX.
To read more about this feature head to this page on the TeXample site, or just click above to get started.
If you're new to LaTeX, checkout the third part of our free online LaTeX course for more hints on creating presentations and drawings in LaTeX.