In the past, when companies built large online operations, they bought enormously expensive and complex machines that ran proprietary software. Now, they buy lots of little machines that they can string together into a larger whole, running all sorts of software that allows these machines to work in concert. “You scale out rather than scale up,” Vahdat says, echoing what has become standard lingo in the world of computing.
https://www.readability.com/articles/mdbltgcw
