Would “The Da Vinci Code” have become a blockbuster hit if it hadn’t received help from a promotional Web site designed by Jefferson Rabb? Maybe not, according to a New York Times article called “See the Web Site, Buy the Book” that appeared on January 23, 2009. Although the article grants that no one knows for sure whether a Web site enhances book sales, it postulates that a Web site is as important part of a book promotion campaign as anything else and has, in fact, replaced the book tour has the core of a book promotion campaign.