It was the first huge F2P mmorpg that pretty much every gamer played during their elementary/middle school years. It's safe to say that without RS, the F2P explosion never would have happened

You should play it. The first 60 levels are fun, you could do all the free quests.

Here's a tip: Google something you don't understand, you'll find it to be pretty hilarious, but not as much as if you actually played.