You are taking a course in e-business. You missed the class session on popular B2B e-business tools and asked a friend to explain their uses. Your friend appeared to be confused. Most of what they said was wrong. Which of the following points did they get right? Extranets help companies share information among employees. Private exchanges offer the ability to collaborate on projects and share information. Electronic Data Interchange facilitates collaboration among employees. Intranets are accessible through the firm's website by external customers, suppliers, or other authorized users