What Andy Clarke is trying to say is that although twitter is a very social site, it can not be used to its full potential because not as many ideas are exchanged. This is because people are afraid of their ideas being stolen, but with this new creative commons copyright partnership, people will never have to worry anymore. It allows people top share ideas and both get the amount of credit they deserve. Although this can be unnecessary for basic, "I just got milk at the store," tweets, it will be amazing for people who want to share ideas whether, they're intellectual or not.