This app uses word frequencies from the Google Ngram Viewer dataset

compilation, for the random word selection. This is used in the "Random

word" and "Word of the day" features.

The dataset compilation is here:

http://storage.googleapis.com/books/ngrams/books/datasetsv2.html

The processing of the dataset is described here:

https://github.com/caarmen/text-processing

The Google Ngram compilation is licensed under the Creative Commons

Attribution 3.0 Unported License. To view a copy of this license, visit

http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative

Commons, PO Box 1866, Mountain View, CA 94042, USA.