Counting cards is a technique which is employed by players of card games to achieve an edge by tracking cards which have been dealt. This provides the gambler a theory of the sum of cards, that have to be dealt with. Counting cards is a skill that has more use in black jack than in other card game.

In black jack, a player is at an advantage when the remaining shoe has "high cards." High cards should be 10s or aces. The card counter in the casino brings into play such opportunities by making greater wagers, as and when they happen. A great many skillful gamblers use the makeup of the deck to adjust their overall course of action. Amateur players sometimes experience problems while engaged in fast counting and might be subject to errors, when it comes to handling dealt cards. Blackjack card counting is an industry by itself. millions and millions are won or squandered, both by the gamblers and the gambling halls, depending on card counting tactics in play.

Technology has made its presence known on counting cards too, with improved devices affecting the complete process. Traditional gamblers will vow that a more complex card counting system is more prone to error, evening out the additional accuracy allowed by the use of computers. One can discover many techniques for blackjack card counting by going web sites dedicated to the game. With the game growing in fame in gambling dens all over the world, there are newer strategies being created every other day. One can discover literally hundreds of Web pages giving you tricks on card counting and the all-around scheme to earn money through blackjack.