The five pillars establish Wikipedia as a free online encyclopedia, with articles that are accurate and cite reliable sources, and editors – called Wikipedians – who avoid bias and treat one another ...

More than an encyclopedia, Wikipedia has become a community, a library, a constitution, an experiment, a political manifesto—the closest thing there is to an online public square.

And more specifically, by an upstart phenomenon Wikipedia, the free, crowd-sourced encyclopedia that since its inception in 2001 had rapidly become the new go-to source for knowledge.