well. Neither organization can afford to ignore some of its fans, even if they dont represent a majority of future potential growth, as they do repre- sent significant current sales, and both Cadillac and the Stones have made a commitment to continue to keep them engaged. For Cadillac, fulfilling its brand promise will ultimately determine how successful the companys efforts to reinvigorate its classic brand will be. As of today, Cadillac is rolling again.       Rockers of the Cent uries   The Rolling Stones exemplify how to change your brand to stay rele- vant in the market without abandoning core strengths. Their efforts to update themselves are not so much about attracting new fans as about staying relevant to the baby-boomer market. Being of the boomer generation themselves, they embody the market they are vying for; rather than follow the lead of many product marketers today, who embark on the continual search for youth, keeping their collective eyes mostly on whats new, whats novel, and the hottest new trend, the Stones have focused on the significant buying power and evolving nature of their loyal fans. Theres nothing wrong with focusing on the young and their innovative interests as an indicator of the changing culture, of course, unless it causes marketers to focus on the minutia of the market instead of the mass. In 1989, the bands drive toward the perfect product was recog- nized as the Stones themselves were inducted into the Rock and Roll th e ro l l i ng s ton e s: b e yond s at isfac t i on |