Microsoft developers are gearing up the search engine to provide almost-immediate search results, as Bing users type. The feature will be similar to Google's Instant search, which rolled out last September.

Bing will also undergo a redesign, incorporating HTML5 into the site. Preview it here.

Once the search site's makeover is complete, an up-to-date browser will be required to use it, which could create some frustration for users who aren't interested in switching browsers.

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