Things get corrupted over time. In the world of CRM, it is called bad data. Organizations must start by cleaning the data. In a research, it was found that CRM databases, corrupt at the rate of at least 10% a year. Organizations must regularly maintain their database, both on a day-to-day basis and through cleaning at regular intervals. Sometimes, databases accumulate outdated or irrelevant data. Know more about the bad data and how to clean them at: http://it.toolbox.com/blogs/insidecrm/crm-cleaning-75709