If there is anything consistent about Office 365, it's change. Not only do the services that you use all the time change constantly, but there are also new services added to Office 365 on a regular basis. Microsoft wants to build Office 365 into a complete business productivity suite, and they are doing that by making sure all your bases are covered.
Of course, the downside to this constant evolution of Office 365 is that someone needs to invest the time and effort into learning what the new services are, and what they do. The good news for your organization is that you work there, and you’re taking the time to read this blog.