Extensions for the Office 365 Suite Bar
Ability to add additional functionality to the Suite Bar. The two primary features would be adding menu items for the user photo menu and integrating custom Help with the Question Mark. Adding Help that actually integrates with the built-in help system available on the question Mark icon.
Barry Waldbaum commented
I agree the question mark in the Suite bar could be really helpful to allow a tenant's IT organization provide quick links, contact info, and pointers to training for their users. Providing a curated help experience to non-technical users would be a great thing!