Update links to point to original image source.

131112-Moore-Sloan-DataScience.ipynb

@@ -73,7 +73,7 @@
       "\n",
       "\"Data Science\" is, in some ways, an over-abused buzzword that can mean anything and everything. I'm roughly taking the viewpoint nicely summarized by [Drew Conway's well-known Venn Diagram](http://drewconway.com/zia/2013/3/26/the-data-science-venn-diagram):\n",
       "\n",
-      "<img src=\"fig/Data_Science_VD.png\" width=50%></img>\n",
+      "<img src=\"http://static.squarespace.com/static/5150aec6e4b0e340ec52710a/t/51525c33e4b0b3e0d10f77ab/1364352052403/Data_Science_VD.png\" width=50%></img>\n",
       "\n",
       "It is not clear to me that a new discipline is arising, or at least that we should approach the question by creating yet another academic silo.  I see this precisely as one of the questions we will tackle and explore, both through our concrete practice and by taking a step back to reflect on the problem itself. The fact that we have an amazing interdisciplinary team, that includes folks who specialize in the philosophy and anthropology of knowledge creation, makes this particularly exciting.  This is a big and complex issue, so I'll defer more writing on it for later.\n",
       "\n",