Consumers have become more engaged with the brands they are most passionate about with help from social media.

New customer relationship management (CRM) technology is making it possible for PR pros to gain insight into the identity of their most enthusiastic customers.

JuicemetrIQs, a Web-based CRM system from Juice Media Worldwide, helps companies build customer profiles from multiple sources, and track and analyze activity across blogs, text messaging, online video, and other marketing platforms.

"Too often these channels are distributed so ...