eCRM Guide asked Salesforce.com (NYSE: CRM), NetSuite (NYSE: N) and SugarCRM for their tips on what to look for when purchasing a CRM system, as well as advice on how to make sure employees actually use the system and get the most out of it. Here are their responses.

Managing customer relationships can be a daunting task but also a very rewarding one. Luckily, there's business software that will help you. Here's how to select the right customer relationship management software for your business.