The Law of Accellerating Returns

You will get $40 trillion just by reading this essay and understanding what it says. For complete details, see below. (It’s true that authors will do just about anything to keep your attention, but I’m serious about this statement. Until I return to a further explanation, however, do read the first sentence of this paragraph carefully.) 

The paradigm shift rate (i.e., the overall rate of technical progress) is currently doubling (approximately) every decade; that is, paradigm shift times are halving every decade (and the rate of acceleration is itself growing exponentially). So, the technological progress in the twenty-first century will be equivalent to what would require (in the linear view) on the order of 200 centuries. In contrast, the twentieth century saw only about 25 years of progress (again at today’s rate of progress) since we have been speeding up to current rates. So the twenty-first century will see almost a thousand times greater technological change than its predecessor.

Polyphasic Sleep: Facts and Myths

Good sleep, good learning, good life

Exalead - Nice search engine

http://www.vbulletin-faq.com/forum/showthread.php?t=80  - On duplicate content indexing and vbulletin

How is this possible?

Actually, its pretty simple. The standard forum pages are much different then the archive pages. Most people forget to consider that there is a big difference between the forum and the archive. Look at the pages sizes alon as specified by Google. The main page has 81k and the archive has 19k. That alone is a huge difference. Where does that difference come from? The standard formatting of the forum. All the tables, HTML, images, alt tags, etc. that the forum contains is not present in the archive.

Also, vBulletin 3.5x archive is listed a little differently. What I mean is that the main forum lists the newest threads first. But the archive lists the oldest threads first. The archive lists threads by when they were first posted, and the the main forums list posts by the last time they have been posted to. SO the order of the posts is completely different.

In checking these 2 pages I found them to be only 7% similar. I used a tool that compares pages: Similar Page Checker.

I also used this tool to compare the aforementioned thread from Digital Point. I found the original thread was only 38% similar to the archive page for that thread. The Original thread was only 43% similar to the printable thread.

So you can see, the duplicate content is not really duplicate content at all, at least as far as the search engines see it.