With everyone calling searching on the web googling. It looks like google has become the remote control for internet. Its essential to note that though google has helped really with its algorithm to index the web. But lot of due credit goes to broadband penentration making people realize power of internet. For google they were right company at right place at right time. Now again we are seeing lot of investment happening in search technologies company. For people who feel Search problem is solved think again.
With broadband making Video and Audio accessiability easy. 60-70% network bandwidth share will be taken by these 2 formats. Hence where will index search go. Its fine to search for items which have been tagged or information is sydnicated by authors managing them online. But its important to develop search engine which will scan these mediums for text and word. Example scan your song list for that song stuck in your mind or scan your voice mail to bring up message left by allen from work etc etc. As voice will remain biggest access point to these technologies and all video will again have audio search. Hence any person who is able to create a search for audio can automatically take it to the next level which is video search.
But even textual search needs lot of work as we are yet to see AI mapping of data and neurable quantam acting as decision maker for finding/determining result. Secondly If microsoft is successful in taking search to the OS then machine learning can be another objective which these search engines need to use as knowledge profile will be helpful in deciding result being thrown up.
Audio search and video search is throwing improvement though dont know the audio file searching sites let you search through your own content as well. Secondly if you feel you are too late to join the bandwagon then do keep in mind all these technologies have to be implemented in regional languages which can big money keeping in lets say indian or chinese market which is 1/3 of the word population.