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diff -u -r1.63 -r1.64
--- www/innovations.html	2017/12/21 13:15:09	1.63
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@@ -216,6 +216,14 @@
 	to reduce polymorphic RET instructions:
 	Todd Mortimer, November 20, 2017.
     </li>
+    <li>
+	</b>MAP_STACK</b> addition to 
+	<a href="https://man.openbsd.org/mmap.2">mmap(2)</a>
+	allows opportunistic verification that the stack-register
+	points at stack memory, therefore catching pivots to non-stack
+	memory (sometimes used in ROP attacks).
+	Theo de Raadt, April 12, 2018.
+    </li>
 </ul>
 
 <h3>Functions</h3>