Rosetta stone constantly updating
You get to do an introductory lesson followed by vocab and grammar.
Each lesson did a great job of keeping my attention.
In this day and age of technology they need to come down on their prices.
I can just google lessons and have conversations for free. I’ve tried many other apps and none is great as Rosetta Stone.
Dynamic duck typing, objects out of nothing, prototypal inheritance, lexical closures -- all of it -- in C .