If you could expand on which parts you think would take more than 50 people to work on for a search engine that would be interesting to hear about. With the current cloud offerings hardware, processing, storage, high availability, etc are not really barriers to entry anymore and are offered as services.

There look to be a number of search engine startups[1] some big, some small.

[1] https://startupsavant.com/startups-to-watch/search-engine

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