<P> On centralized services, where all of the Microblog's information flows through one point (e.g. servers operated by Twitter), privacy has been a concern in that user information has sometimes been exposed to governments and courts without the prior consent of the user who generated such supposedly private information, usually through subpoenas or court orders . Examples can be found in recent Wikileaks related Twitter subpoenas, as well as various other cases . </P> <P> Security concerns have been voiced within the business world, since there is potential for sensitive work information to be publicized on microblogging sites such as Twitter . This includes information which may be subject to a superinjunction . </P> <P> Integration could be the hardest issue to overcome, since it can be argued that corporate culture must change to accommodate microblogging . </P> <P> Live Blogging is a derivative of microblogging that generates a continuous feed on a specific web page . </P>

Describe the business uses of twitter and other micro-blogging systems