* Google uses more than 300 factors to rank websites (the most important is PageRank).
* Up to 20 per cent of the online content changes every month.
* 10 per cent of the world's information is currently online.
* Putting the world's information online could take as long as 300 years, according to a recent estimate given by Eric Schmidt.
* 70 per cent of Google engineers are working on search-related problems.
* A lot of Googlers work on automatic translation tools.