CRM plays a vital role in a successful marketing campaign by doing everything from keeping multiple campaigns straight to segmenting sub-populations to be targeted by the campaigns. One of the major benefits CRM offers marketing campaigns is the granularity and also helps in emphasizing on the people who are most likely to respond to this particular campaign. CRM makes it easy to keep the responses honest so you can judge the success of each individual campaign and also makes it easy to keep track of the details of each response. Read more about the benefits of CRM in organizing marketing campaigns at - http://it.toolbox.com/blogs/insidecrm/managing-a-marketing-campaign-with-crm-70528