add graffles
diff --git a/presentations/graffles/nano-tech.graffle b/presentations/graffles/nano-tech.graffle
index 67d6baf..6296a7c 100644
--- a/presentations/graffles/nano-tech.graffle
+++ b/presentations/graffles/nano-tech.graffle
Binary files differ
diff --git a/presentations/graffles/virgo-choice-flowchart.graffle b/presentations/graffles/virgo-choice-flowchart.graffle
new file mode 100644
index 0000000..6a0fb80
--- /dev/null
+++ b/presentations/graffles/virgo-choice-flowchart.graffle
Binary files differ
diff --git a/presentations/plan-sharing.graffle b/presentations/plan-sharing.graffle
new file mode 100644
index 0000000..b7a4484
--- /dev/null
+++ b/presentations/plan-sharing.graffle
Binary files differ