The lack of documentation for SIM cards may be an fortuitous oversight—but it is one that many theoretically freer nations corrected years ago.

SIM卡档案材料的缺失或许是一起意外的疏忽——然而许多理应更加自由的国家早在多年前就已经纠正了这一疏忽。

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It's one of a pair of IBM Model m 1391401 keyboards he's been using since 1989 — the year his chief operating officer, Aileen Sim, turned 6.

这是一个他从1989年起就一直在使用的IBM 1391401键盘，那一年他的首席运营长艾琳·赛姆(Aileen Sim)刚满6岁。

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The sim portion of simple means "one."

Simple的sim部分的意思是“一个。”

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The device independence afforded by the SIM has been one of the chief advantages of GSM networks around the world over the past twenty years, and we'd hate to see Apple succeed in killing that off in favor of some sort of locked-up iTunes nonsense, but let's be honest: if anyone could pull off that kind of coup, it'd be Cupertino.

ENGADGET: Bloomberg: Apple working on 'cheaper, smaller' and dual-mode iPhones, trying to kill SIMs along the way

One of the key benefits of using SIM authentication is that it utilizes the 802.1x technology, which is a standard method for encrypting user credentials and user data in the Wi-Fi session.

FORBES: Making Wi-Fi '3G Secure' For Mobile Data Offloading

According to Sim, one of the most important ways to solve the worldwide sanitation problem is to talk about it.

BBC: A day to break toilet taboos