No worries, it's again part of the problem of why Steem is so undervalued. Not a lot of folks understand what's going on behind the scenes with the Steem blockchain right now and where it's heading.
SMT stands for "Smart Media Token" and it's where all the attention of the Steemit team has been for the last half a year or more.
You can read about them here.
You can just scroll down on that page and it will give you an overview or click through to the whitepaper to get all the details.