Apple has confirmed that it will be adding Microsoft's Bing search to the iPhone as a choice with Google staying as the default.

In line with the rumours, although Microsoft CEO Steve Ballmer wasn't there to tell the world himself, fans of Microsoft's Bing search engine can now use the search feature instead of, or as well as, Google and Yahoo!

The news comes as Apple has moved to rename the iPhone 4 OS to include the iPad, and therefore ditching the iPhone element.

Apple says that iOS 4 is the new name for the operating system going forward.

Read all our iPhone 4 coverage here.