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 							<p>By now you can see how the hierarchy concept works. There aren't any hard and fast rules, only make sure the imposed structure makes sense to consumers of your services. As with everything in the craft of Software Development, naming is critical to success.</p>
 							<p>Look at some widely used APIs to get the hang of this and leverage the intuition of your teammates to refine your API resource URIs. Some example APIs are:</p>
 							<ul>
-								<li>Twitter: https://dev.twitter.com/docs/api</li>
+								<li>Twitter: https://dev.twitter.com/overview/api</li>
 								<li>Facebook: http://developers.facebook.com/docs/reference/api/</li>
 								<li>LinkedIn: https://developer.linkedin.com/apis</li>
 							</ul>