Google, Bing, Duck Duck Go, etc. do not suck for their 1/3rd. Instead they are from something up to okay up often quite good up to excellent. Recently they h

Google, Bing, Duck Duck Go, etc. do not suck for their 1/3rd. Instead they are from something up to okay up often quite good up to excellent. Recently they handle some special cases in cute, special ways but for most of their core work are still basically an old library card catalog subject index with the results sorted by a gross popularity measure. Net, their technique can work quite well when looking for content based mostly on just text, possibly from metadata, and where the user has a list of key words/phrases that accurately characterize the content. In that way they grabbed their 1/3rd.