From Garr Reynolds: The graduation speech is a tough gig; most speeches are soon forgotten, assuming they made any impact at all. The 2005 graduation speech by Steve Jobs garnered a lot of attention at the time, and is still talked about today, having been downloaded millions of times. If you have never seen Jobs's Stanford speech, check it out below.

Last week the famous comedian and TV talkshow host Conan O'Brien, who was sharing the stage with luminaries such as former US President George H. W. Bush, gave a commencement speech for the ages. Although the speeches are different in style, they are both great examples of entertaining speeches which connect and engage and ultimately leave the audience with something memorable and valuable.

And here’s one more from another well known TV talkshow host — Stephen Colbert’s 2011 Commencement Speech at Northwestern University. · Go to Three must-see college graduation speeches →