Maybe I'm cynical, but I don't see any innovation to be done in search. Google results have become much less useful over the past few years. If they cannot solve search with basically unlimited resources, how is a tiny company going to?
1. Filtering ever increasing trillions of spam/clickbait pages
2. Figuring out which results are useful information vs corporates trying to sell something.
Those problems are not solveable by a couple guys in a garage