i read it here:
https://steemit.com/money/@crypt0/new-steemit-account-creation-is-frozen-as-the-system-is-forced-to-completely-pausd
And they DID REALLY pause signups. I logged out and tried to signup again. And there was a message saying "Signups are currently paused due to our unexpectedly high sign up rate. Submit your email to the waiting list to be notified when signups are re-opened."
Sooooo, yeah! We are the lucky ones who got in early before a wave of a HUGE number of people will flood in!