Joshe is a project leader in Tiran technologies. 75 developers and analysts work under his supervision on several projects. These employees are scattered in small groups in the organization, depending on the project they are working on. Which collaboration tool would be most appropriate for Joshe to keep track whether his developers and analysts are out-of-office, busy, or available?

a. Desktop sharing
b. Presence information
c. Web conferencing
d. Instant messaging

b. Presence information
Presence information provides users with the ability to see a colleague’s availability status, whether the person is out-of-office, busy, or available. Knowing whether coworkers are available provides several time-saving benefits for an organization.