chinese wall

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The meaning of the term “Chinese wall” is clear. It’s a virtual partition meant to keep potentially conflicted interests apart. What’s not clear, at least to me, is where the term came from. This post at WhatIs.com quotes Wikipedia, this way:

Chinese wall is usually said to be a reference to the Great Wall of China, erected over 2000 years ago to protect inhabitants from invaders. However, other theories exist. In a Wikipedia entry, for example, the author argues that the term probably derives from a diplomatic contrivance of the Late Imperial period in China: “…if a junior mandarin saw a senior mandarin on the road he was expected to bow and present his compliments. In Beijing this tended to happen quite a lot and so traffic was frequently blocked. Instead mandarins came up with a method of pretending they did not see each other on the road by the clever placing of a retainer with an umbrella. Because they did not “see” each other, they were not obliged to stop.”

Meanwhile Wikipedia’s Chinese wall article now lacks that passage, so that’s a dead end. I recall “Chinese wall” meaning a thin one: You can hear what’s happening on the other side, but can pretend not to notice. Still, not good enough. So I’m hoping one of you can point me to a source I can cite in the book I’m writing.

And if you’re wondering why I’m posting less these days, it’s because my nose is on the book’s grindstone.

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Dave asks, When Google has to cut its own revenue stream by enhancing search, will they do it?

Good question. Here is another: Has Google’s success at advertising slowed its innovations around search? And, How far will Google go with search engine improvements if there’s clearly no advertising money in it?

I’m not suggesting answers here. I’m just asking.

There are many things I would love to search for that Google doesn’t cover. But then, nobody does. For example, a date-range search just of blogs. Google Blogsearch does feature date-based search, with the most recent on top. But what if I want to search just in November and December of 2004? Near as I can tell, it can’t be done. (Correct me if I’m wrong. I’m glad to be.) [Later…] I am corrected by the first two comments.

I once had high hopes that Technorati would support that kind of search, but both Technorati and Google Blogsearch are playing the What’s Popular game. (For what it’s worth, I used to be on Technorati’s advisory board, but now David Sifry is gone and I’m not sure the company even has one any more.)

Anyway, it’s hard for me not to appreciate the many different ways Google lets me search for stuff. Their geographic services, for example, are amazing. So is stuff like this. But I can’t help but notice that the basic search offering has changed relatively little over the years. Is it because of the advertising? You tell me. I really don’t know.

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