You can use Profile Completeness module for CB and JomSocial to show the user how much of his profile he has completed. This can be an effective way to encourage users to complete their profiles. This is a great add on to use with People Suggest.
This addon is completely free & can be downloaded from our Free Extensions Download Area.
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Here is how this module looks on Joomla 3.0.x sites
Here is how this module looks on Joomla 2.5.x sites