Zeitgeist and Memes (Score 3, Informative)

Sounds like a combination of Google's Zeitgeist and LiveJournal's MemeTracker. In other words, nothing that new.

It's also the basis for Computational Lexicography. Doing analysis on large corpora. One of the interests people have in this field is introduction of new words in society. The field used to use corpora such as the British National Corpus, but since the explosion of the Web, sites such as Google can far exceed that size. Weblogs are simply a good example of a more natural form of language. The interesting thing would be not so much to find new trends through words... but if we can truly solve the whole natural language parsing problem and use such information to extract higher-level knowledge