PUBLIC MARKS from decembre with tags data & comparer

The Google Labs N-gram Viewer is the first tool of its kind, capable of precisely and rapidly quantifying cultural trends based on massive quantities of data. It is a gateway to culturomics! The browser is designed to enable you to examine the frequency of words (banana) or phrases ('United States of America') in books over time. You'll be searching through over 5.2 million books: ~4% of all books ever published! There are lots of different things you can check, like your favorite word (Supercalifragilisticexpialidocious) or person (President Taft; Chief Justice Taft) or part of the holiday (Christmas Tree).