Summer is officially upon us, and with it comes the usual lineup of blockbuster movies. Along with the usual cast of superheroes, spies and sexagenarian, whip-cracking archaeologists comes a somewhat unusual hero: Wall-E, the nearly mute robot protagonist of the film of the same name.

This is the second in a series of columns looking at the history and future of Web 2.0. In the last instalment of this series we examined the origins of the Do-It-Yourself (DIY) ethic and some of the issues around the definition of “user-created content.” Turning from the theoretical to the practical, we’ll now take a look at just what is actually out there, and begin to examine some of the ethical and legal implications.

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