Include bullet points related to productivity

Lectures/L03_Requirements/Requirements.tex

@@ -444,7 +444,17 @@ unambiguous and verifiable?
 \frametitle{Productivity}
 
 \begin{itemize}
-\item 
+\item The productivity of a software development process is the measure of how
+  efficiently the process produces software
+\item Productivity highly depends on the skills and organization of the development team
+\item Productivity is very hard to measure
+\item The number of lines of code per unit time is a terrible metric for
+  measuring software productivity
+% mention capstone students and their copy and paste modules and code
+\item Productivity can be greatly increased by the use of development tools,
+  environments, and methods
+\item Software reuse decreases productivity in the short term, but increases
+  productivity in the long term
 \end{itemize}
 
 \end{frame}