[schoen]

They released more data than that for their Google Books n-grams datasets:

https://storage.googleapis.com/books/ngrams/books/datasetsv3...

(I don't remember exactly how much it is, but I remember that the old version was already in the terabytes.)

[lifthrasiir]

Another example of Google giving much data away is 50 trillion digits of pi [1], which contains about 42 TB of data (decimal and hexadecimal combined).

[1] https://storage.googleapis.com/pi50t/index.html