Yes, the whitepaper calls Steem Dollars SMD. But SD is much more intuitive and will likely dominate.

Passive income is freedom - the wealthy know this but it is like a dirty secret. I don't know why we aren't teaching our kids about passive income in grade school. The revolutionary concept is that members will earn substantial income without needing to understand investing. It's going to change the world.

Thank you for your kind comments, it's great to hear such positive feedback!