Gmail, its hugely successful E-mail system, was released to the world in beta (ie, testing) mode and stayed that way for years.

一款获得了巨大成功的电子邮件系统，以测试版的形式发布，并且将这个标签保留了多年。

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It doesn't help that they look the same: both have the same redesigned Start Menu, comprised of Live Tiles and native apps like Mail, Calendar, Photos and IE 10, among others.

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Moving on, IE now has the Share feature baked in (it was previously in Mail, but not the native browser).

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