Yes, you're modern.
No complete beginners thread. Hard to know what to say as a "Here are the first things to learn." Easier to see someone's marble and then chat about it.
And the questions you would think to ask could lead to some fun discussions, when you're ready to ask them.
I was about to say you could maybe go into a store and see what kind of marbles they sell, so you'd know some new styles. Well, yeah, that's probably a good idea. But there will be some old marbles which look kinda like the new ones and it just takes time.
Here's a thread with some modern marbles in it: