There are a bunch of 670 posts, in case your doing research. Link 1, Link 2, Link 3, and Link 4. You can search for 670 here, if needed:
Some of your fellow 670 users who are often on here, are @DrBB, @Terry4, but you can see who they are in previous posts on the topic. Here’s a new ambassador for Medtronic 670 (Questions about Medtronic 670G insulin pump)