This is the first production server rack from Google (1999):

This is how clean, efficient, and beautiful modern Google data center looks today:

And this is where the data centers officially are:

link

This source claims that Google has many more data centers around the world (including those under construction):

One way or another, Google is the major force nowadays.  Here are some of many services offered by the company:

And it all started in 1999 with that server rack…