This has been coming for a while but it's good to see a light at the end of the tunnel. 

If you're not already a Teams user I highly recommend it, even without the end of Skype for Business. It's a great tool and a great platform to integrate with and build tools and bots for. 

Project teams at Charles Taylor InsureTech use it on a daily basis to help collaboration, answer questions quickly and find their flow. We're also much better able to communicate with our peers around the globe, especially enhancing the relationship with our Latin American colleagues.