Dun & Bradstreet debuts today its Web-enabled version of its flagship database marketing product, D&B Market Spectrum. The new product enables companies to access information 24 hours a day, seven days a week. Market Spectrum is a decision-support tool that allows companies to combine customer data with information from D&B’s global database. The database contains information on more than 58 million publicly held and privately owned companies and is updated more than one million times per day, the company said.