We recently offered "Work from Home" and "Summer Flex Schedule" as part of our Vitality Initiatives to our employees. We suggest that your development team create separate colors for these two new items in order for our Managers to distinguish them from the standard leaves ( Vacation/Sick/Floating Holiday) when they go to Calendar View for a snapshot of their monthly department manning.
I don't think we will encounter privacy issues, since vacation/sick and floating holiday will remain "green" and these two new items different colors.
Thanks !
~Theresa