Interestingly, this fits with what Paul Graham replied to my email (about career advice) a while back:
I would choose whichever you find most interesting. It’s more important that you be excited about what you’re doing than which particular field you’re working in. Just ask yourself what would be cool, in an ambitious way, to know more about. --pg
Interestingly, this fits with what Paul Graham replied to my email (about career advice) a while back: