Creating content to top searches...same story again

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It's the same story but this time in case of web pages. The story goes as follows...

Initially websites created content which they thought was really good.
Then came search engines to help navigation of all this content.
And thenthe reverse cycle started, the content of web-pages suited to top the page ranks, the implicit assumption...the tables had turned.

Just like it was initially reading for knowledge. Then came the exam system to judge the actual knowledge gained.
And then the twisted cycle of the education system bending backwards to allow for topping of the exams.

In both cases the purpose has been surrendered and an implicit assumption has been made. The implicit assumption is rarely true.