Google which merely started as a research project by Sergey Brin and Larry Page while pursuing Ph.D. has turned into a modern source of research.
Today's situation - Ph.D. students jump onto google.com to find information. Basically, if its not on Google, it doesn't exist.
Here's what the "Project G" (my own interpretation) looked like when it was started at the Stanford University -
Before moving to google.com to become the "Big G" of Internet -
Currently (as if you aren't aware?) -
This is what Google would be in the future -