Finally, it has been confirmed, in a roundabout way, that social networking sites such as Facebook and Twitter do have certain value in a search engine optimisation campaign.

A highly reported question and answer series with representatives of Google and Bing has thrown up some useful little nuggets of information. For instance, Google, in particular, credits data found in Twitter's "firehose".

Details have begun emerging as to why were ordered by the FBI to shut down over 70,000 blogs on a free blogging platform called Blogetery. Latest rumours state that material on some of the blogs included messages from Osama Bin Laden, detatils of how to make bombs and explosives and lists of US citizens to be targeted for assassination by al Qaeda.