Enhance "how is it done?"

slides.tex

@@ -76,12 +76,21 @@
 
 \begin{frame}{How is it done?}
     \begin{itemize}
+        \item (In most cases) strong \alert{interaction} interpreter
+            $\leftrightarrow$ JIT compiler
+            \vspace{1em}
         \item \textit{Article claim}: mostly done using \alert{hot paths}
             within loops (in a single function); most speedup is \alert{type
             specialization}.
-        \item Wrong. But, heh. (Inlining, translation to machine code, global
+            \begin{itemize}
+                \item Hot path: path \alert{used $\geq N$ times} at runtime in
+                    a \alert{given} (abstract) \alert{store state}
+            \end{itemize}
+            \pause{}
+        \item \alert{Wrong}. But, heh, we'll deal with it nevertheless. \\
+            {\small (Inlining, translation to machine code, global
             optimizations, lock elimination, non-volatile-write
-            elimination/propagation, \ldots)
+            elimination/propagation, \ldots)}
     \end{itemize}
 \end{frame}