Im planning on going a month to NY, i already see a nice flat there, the mainly reason is to improve my english (im from argentina) but i wanna know what else i can do within a month, like some kind of business course (im 21, turning 22 this year) something that give some certificate that get a lot of value to my resume here where i live (Argentina) to get all the juice possible my stay there do i make self clare? Thanks