For both reasons, owing to the thermal motion and to the working together of various wavelengths, factors arise which, in a similar manner to the structural factor, exert some influence upon the brightness of the interference points but not upon their location.
The American public got to see for themselves every day, all day, how this trial progressed. There's a lot of value in the public being able to see how the system works.
I think people see the social media numbers, and the assumption is made that we're running a campaign that is just social media, but I think we're running a very old-school campaign.