| http://www.w3.org/ns/prov#value | - it is easy to overwhelm people with too much information, says Danny Sullivan, a web search expert at Calafia Consulting based in the UK. what is more, billions of new pages are added to the web every day, and surfers expect search engines to be up to speed with 24-hour newsfeeds as well as the latest posts and status updates from sites such as Twitter and Facebook.
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