Two posts I think would make for some interesting topics for both discussion and just better understanding of these things going on Steemit, are this post

https://steemit.com/cheetah/@tsxbox/my-curiosity-and-detective-work-on-cheetah-about-content-detection-robot-bot (please see the comments there too)

And a post just from today

https://steemit.com/steemit/@mgaft1/many-upvotes-and-zero-comments-what-does-it-mean (see comments in post here too)

A Third post that is more or less just an announcement from another user, is the pushing of the comics hashtag

http://steemit.com/comics/@vegascomic/bam-pow-comics-on-steemit-rock-steemtrail-wants-to-encourage-current-and-potential-comic-artists