User:Piotrus/Wikipedia interwiki and specialized knowledge test

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All the time one can hear claims that Wikipedia has "enough articles" and it is unlikely to grow. And all the time those predictions are proven wrong. In summer 2006, there were about 2 millions articles in need of translation from non-English Wikipedias, and more then 50 million of specialized topics in need of creation (I justify those numbers below). In summer 2011, Wikipedia boasted 3.5 million articles, still covering less than 10% of what would be, roughly, a comprehensive coverage of world's notable subjects. Wikipedia is just in its infancy...