In business-to-business (B2B) e-commerce, the negotiations include a large number of business customers the size of a typical individual transaction is relatively small most purchases are based on impulse buyers and sellers often develop close and long-lasting relationships Which of the following statements is true of viral marketing? It attempts to get customers to communicate a firm's message to friends, family, and colleagues. It solely uses the employees of a firm to promote the firm's goods and services. Legitimate viral marketing uses computer viruses to promote products. The strategy of viral marketing is unique to the Internet