The UK recently evaluated the online ad market and found that Google and Facebook commanded 70% of all online ad spend in the country [0]. Their large pool of advertisers also helps them command a higher return per search compared to other platforms, allowing them to outbid its peers to become the default search choice on devices, e.g. Apple products. Their lack of privacy sensitive policy also helps their ad targeti…
The only way to have competition is if FB started a search engine or if google bought instagram
https://www.engadget.com/facebook-test-adds-wikipedia-search...