NBC.com provides concise summaries of key information from lengthy documents. The summary of the NBC document is:
NBC was formed in 1926 and launched its first broadcast in 1939. Through partnerships and acquisitions, NBC grew to become a leader in primetime television in the 1980s and 1990s through popular shows. NBC.com launched in 1996 and serves both business and consumer functions through advertising and ecommerce. The site enhances the NBC brand and drives high traffic through usability, credibility and persuasion.