In the coming days, users may enter audio data, barcodes and other new forms of data. The presentation of search engines could also be modified for smaller screens on the smartphone (Greenfield, 2011)
How Search Engines Operate Search engines are able to respond to search requests by users by the use of web crawlers. "The crawler module typically establishes the first and only contact of the search engine with the World Wide Web data (Lieberam-Schmidt, 2010)" This is the first step in the searching process
One important feature that Yahoo and MSN have adopted is the question answering feature where users may post questions to be answered by others. This reflects a fight for "content and market share in verticals outside of the core algorithmic search product (Wall, n