He did actually clarify this later.... After you push the "Please give me the Beta Button," you'll have to accept a bunch of legalese, telling you that you're about to download software that is going to monitor your driving.Could be... As I said, it's just not clear what seven day window will be run through the Tesla insurance algorithm. "Time will tell...."
You'll be able to watch the software grade your driving during the seven day window, showing you whether you are currently "Passing" or "Failing." At the end of the seven days, it is assumed at this point that everyone with a "Pass" will get the Beta, but that hasn't been completely clarified yet; they may only expand beta access by a certain number of users.