It might be worth mentioning that Wikipedia spent several million on creating a more trustworthy search engine without anything to show for it.
https://en.wikipedia.org/wiki/Knowledge_Engine_(Wikimedia_Fo...
https://en.wikipedia.org/wiki/Wikipedia:Wikipedia_Signpost/S...
I have serious doubts of this particular endeavor's success with statements like these:
"The business model of social-media companies, of pure advertising, is problematic," Wales told the publication.
"It turns out the huge winner is low-quality content," he added.