Hello 343, I’ve been apart of the Insider program for awhile, However; I missed the email verification. One of my friends have received a steam product key, and I was hoping to be able to join him, and help the insider program.
Sorry OP but everyone who has been invited to the first flight has received their emails already. As mentioned in the latest development blog and previous blogs the first flight was intentionally going to a small group of people. There will be other flights coming over the next few weeks, so there are still plenty of chances to jump in and help test before release.