Encouraging Learning

Similar to the progress bar that LinkedIn uses to encourage users to complete their profile, Wetpaint uses a progress bar to encourage its users to engage in learning.

From: Wetpaint

Overall, getting users to proactively learn a system is a challenge. People tend to just jump right in and start working. This tendency is known as the paradox of the active user because in the long term people would save time by spending time up-front in learning.