Most people think that poker, either poker generally or online poker, is all about the cards. However, the only way to really win the game, is to out-think your opponent. A good bluff can often be more helpful then the best hand in the world, but does you no good if used at the wrong time. Poker has become extremely popular in eastern Europe recently, having spread from the western continent across the ocean a while ago. Check out http://www.pokerroom.com/ for more info.
It is vitally important to be able to bluff well. If you haven't yet learned how to do this, you really should do so as soon as possible. Bluffing is absolutely essential to winning any significant amounts, and if you can't bluff then anyone who can will have the edge over you. Of course, it is just as important that you once you have learned to bluff, you do so wisely. Some people become addicted to bluffing, and do so at every opportunity. This will only result in people realizing you are bluffing, and calling you on it. You need to avoid being caught bluffing, as if you can bluff but people think you can't you will be much better off.
One of the more popular games is Texas Holdem, which fortunately can be learned in just a few minutes time, so it can be played by anyone. With only a few hours practice, you'll have a good idea of what to do. Remember though, you only get two cards in your hand before the three card flop. This means you have to decide immediately whether you think the two cards you have will take you all the way to victory. Have a look at http://www.pokerroom.com/texas-holdem, that should give you a better idea of how to evaluate your chances, but the main thing is to be able to bluff well. The internet is a good place to get experience with poker, as you can do it all while safe in your own home.
An overview of Texas holdem:
1. You need at least four players, one of whom is the dealer. This position changes each round, and the current dealer has a marker--the dealer marker--in front of them.
2. A standard 52-card playing deck is used.
3. Every player has a hand of just two cards, which are dealt face down. These are called pocket cards or hole cards.
4. You have three options on your turn: you can call, raise, or fold.
5. Different games will specify different amounts you can bet.
6. After everyone has finished their bets, the dealer burns one card and flips over three (the flop).
7. Everyone has another chance to bet.
8. Next, the dealer burns another card and flips one more onto the table, the turn card.
9. Everyone bets again, beginning with the player to the dealers left.
10. The dealer burns a final card and flips over the last card, called the river.
11. Players use the two cards in their hand and the 5 cards on the table to create the best five-card poker hand they can. A list of possibilities can be found at http://www.pokerroom.com/
12. Everyone has a last chance to bet, or fold, having now seen all the cards.
13. All the players who have not yet folded then show their hands.
14. Whoever has the best hand, is the winner. If the top two hands are the same, then they share the prize.