参考来源 编辑
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- ^ . Blogs.forbes.com. April 20, 2010 [April 21, 2010]. (原始内容存档于2010-04-25).
- ^ Ulanoff, Lance. . PCMag.com. April 12, 2010 [April 21, 2010]. (原始内容存档于2017-11-21).