Add XXXExplorers presentations
diff --git a/doc/explorers/Activity Explorer-0.2.2.pptx b/doc/explorers/Activity Explorer-0.2.2.pptx
new file mode 100644
index 0000000..7dd05ae
--- /dev/null
+++ b/doc/explorers/Activity Explorer-0.2.2.pptx
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diff --git a/doc/explorers/ContextualExplorer-0.1.4.pptx b/doc/explorers/ContextualExplorer-0.1.4.pptx
new file mode 100644
index 0000000..b51b18a
--- /dev/null
+++ b/doc/explorers/ContextualExplorer-0.1.4.pptx
Binary files differ