The fastest growth they've reported is 1000 sign ups in 5 days. (source page 3 here).
End of July there was 11,500 total. At maximum liner growth they should have hit 15,000 by now.
Maybe they're not going to announce 15,000 mile stone?
Maybe they're going to close the latest funding round before announcing the next mile stone?
Maybe they're not at 15,000 yet?
