RougeFemme writes: "EdX, the nonprofit enterprise founded by Harvard and the Massachusetts Institute of Technology to offer courses on the Internet" has introduced a system instantly grades your essay and then let's you re-write the essay to try and improve your grade. EdX "will make its automated software available free on the Web to any institution that wants to use it. The software uses artificial intelligence to grade student essays and short written answers, freeing professors for other tasks. "
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