diff --git a/solutions/system_design/social_graph/social_graph.graffle b/solutions/system_design/social_graph/social_graph.graffle
new file mode 100644
index 0000000..a245d5a
Binary files /dev/null and b/solutions/system_design/social_graph/social_graph.graffle differ
diff --git a/solutions/system_design/social_graph/social_graph_basic.graffle b/solutions/system_design/social_graph/social_graph_basic.graffle
new file mode 100644
index 0000000..a753b39
Binary files /dev/null and b/solutions/system_design/social_graph/social_graph_basic.graffle differ