I would like to be able to have a Primary and Secondary label for the "assigned to" individuals. We often have tasks assigned to two people and sometimes we duplicate efforts. It would be helpful if the creator of the activity could assign who he wants to take the lead as Primary or Lead. Alternatively, if I have an activity with two people assigned but the second is just there as an FYI, it would be great if I could say I'm taking the lead so the other person knows not to work the activity.