\usepackage{inconsolata}
%\usepackage{multicol}
\usepackage{array}
+\usepackage{cclicenses}
\usepackage{tikz}
\usetikzlibrary{arrows}
\usetikzlibrary{arrows}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
+\begin{center}
\vfill
-\centering\LARGE{Questions?}
+\LARGE{Questions?}
\vfill
+\vfill
+\footnotesize
+\cc\byncsa\\
+This presentation is licensed under CC-BY-NC-SA-3.0\\
+and builds on icons from the Tango Desktop Project
+\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%