It might not seem like it, but a huge amount of work goes into that little tiny search bar in the corner of your browser. Google employs literally thousands of people to make sure all its other services are working properly, too.

So, how do they get it done? What equipment do they use?

Edmond Lau, an ex-Google search technician, detailed the whole setup in a post on Quora. It's a pretty hefty setup.