AltaVista anyone?

findability.org - by Peter Morville

Those were the days when AltaVista was one of the first search engines (together with Archie, Gopher, Excite) where you would turn to and wonder: why does anyone makes that for free? Then its bigger brothers came along like Google, Bing, yahoo, Baidu, DuckDuckGo. After Google i thought that everyone sort of gave up: too hard to beat. Until i discovered once more that I don’t know everything and that there are other search engines out there who don’t do evil and sometimes even privacy friendly like the first 5 listed down here. So they don’t do evil and don’t steal all your data. Then how do they make money?

and there are even more as you can see here and here.