While this break-down is very interesting, it all boils down to one thing: they announced an innovative feature that interests a lot of people. Things could have played out differently but the outcome would be the same - lots of signups.

If someone from the company is reading: I found out I already have an account (probably from the time it launched), but I can't access it. Login doesn't work and when I try to reset my password it says "e-mail not found".