\subsection{The Early Days}

\framedgraphic{The Early Days: Web Directories}{../images/directory-002.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-003.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-004.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-005.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-006.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-007.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-008.png}
\framedgraphic{The Early Days: Web Directories}{../images/directory-010.png}

\begin{frame}{The Early Days: Web Crawlers}
	\begin{columns}
		\begin{column}{0.28\textwidth}
			\includegraphics[width=\linewidth]{../images/hyperlink.png}
		\end{column}
		\begin{column}{0.68\textwidth}
			\begin{itemize}[<+->]
				\item crawls through the web using hyperlinks
				\item makes an index of the words contained in a page
				\item ranks pages for a search query according to number of occurences of keywords
			\end{itemize}
		\end{column}
	\end{columns}
\end{frame}
