DENVER: PRACO (PR Advertising Company), a 38-year-old Colorado agency, has changed its name to Vladimir Jones. The new moniker reflects the spirit of the company, which emphasizes values such as curiosity and focus, which were considered important to its staff, according to Meredith Vaughn, EVP. While Vladimir Jones is not a real person, the firm has created a voice mailbox, soundtrack, library, and other things that encompass his attributes. The firm will continue to specialize in integrated marketing, advertising, communications, and insight. It unveiled the new name to employees on May 16, and recently launched a new Web site, www.VladimirJones.com.