No, it's not technically public yet. It's pretty easy to get in, but you can't simply just sign up. The hardest thing for me to understand is why the expected

No, it's not technically public yet. It's pretty easy to get in, but you can't simply just sign up. The hardest thing for me to understand is why the expected timespan for "success" is so short for products. Chrome got the same bad rap for not taking over the web 8 weeks after it had been released. These things take time.