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I've been using DuckDuckGo for a couple of years now, and have no complaints. The privacy baked into the product is great, and their extensibility for things like !gh to search on GitHub or searching "html pretty print" is awesome for quick productivity boosting.

I'd recommend you giving it a go, and see how you feel after a while. And if you're finding search results aren't so great every so often, you can !g to get your Google results!