Online casinos are a very popular past time in the USA. So popular in fact that there are hundreds if not thousands of them that has popped up over the last couple of years. Using your search engine to look for online casinos will reward you with a massive amount of hits. To get a shoulder up on the casino next on the list, online casinos will offer a number of bonuses and promotions. These come in all forms, but one of the most popular is the no deposit bonus that casinos offer to new players.