Why have someone develop a custom search engine?
A custom search engine is free from Google, but it takes some effort to set up. If you are a business owner with a website then keep reading. A custom search engine allows the business owner to decide which websites will be crawled to get a search result. So your clients can search all of the informational sites they need to without you having to worry about competitor sites distracting them. Also, the better your list of websites people can use is, the faster they can find an answer to their question. You can change it over time if you find some additional sites use.