GDELT's processing of the complete 1800-2015 English-language public domain digitized books collections from the Internet Archive and HathiTrust (totaling 3.5 million volumes) was featured last week on the Google Cloud Platform blog! You can learn more about the project, see more technical detail, experiment with sample BigQuery queries mining the entire collection, or even perform terascale sentiment analysis at a rate of 341 million words per second!