Many businesses maintain more applications than they actually use. In this IT Business Edge article, Michael Vizard writes about the opportunity this presents for application consolidation or for moving some applications to the cloud:
Business executives all want their favorite applications to run by IT. Over the years and countless acquisitions, that results in large numbers of applications supporting redundant business processes. In fact, the study found that most organizations are only using about half the applications they have deployed on a daily basis.
You can read the full article here: Reining in Enterprise IT Costs Starts with the Applications