Python is the easiest for game coding. For website development, you'd want to learn HTML and CSS, they work hand in hand. I think the most common language in gaming is C++....

I think it's going to be here long after we're gone. :)

I wish I could go into detail but what I think, no. I have no reason to think the world will "end" this year. The odds are astronomical that an ending would come that soon.