A lot of it was because of how vague they were - codename, the idea that cities would be designed for it, etc. I remember that really clearly. There were some v

A lot of it was because of how vague they were - codename, the idea that cities would be designed for it, etc. I remember that really clearly. There were some vague comments and enthusiasm from trusted tech names. So, before launch, they had everyone desperate to find out what it was.