Yes, Google's money comes from advertising. But the company that invented, among many other things, map reduce, bigtable, and spanner, seems pretty much a technology company to me.
Bigtable these days handles seven-billion requests per second over several exabytes of data. All developed in house.
Bigtable these days handles seven-billion requests per second over several exabytes of data. All developed in house.
The others are similarly impressive.
https://en.wikipedia.org/wiki/MapReduce https://en.wikipedia.org/wiki/Bigtable https://en.wikipedia.org/wiki/Spanner_(database)