In the past, dozen years, plenty of things changed in IT solutions, in well method for sure. Now, most of Polish citizens have access to the internet, by owning various devices, like cell phones or computers.
New York is one of the largest cities in whole planet, inhabited by many millions of individuals. When you are living in there and you are thinking about opening your own business, it should be great challenge for you. Also if you can localize plenty of possibly customers, you will either have a lot of competitors.