Card counting is a skill that is used by gamblers of card games to achieve an opportunity by tracking cards which have been used. This provides the player a notion of the importance of cards, that have to be dealt with. Card counting is an ability that has more use in 21 than in other card game.

In black jack, a gambler is at an advantage when the remaining shoe contains "big value cards." High cards can be tens or aces. The counter in the casino brings into play such circumstances by laying greater bets, as and when they occur. A good many experienced gamblers use the composition of the deck to change their overall strategy. Fairly new players at times will have problems while trying quick counting and might be prone to mistakes, when it comes to dealing with dealt decks of cards. 21 card counting is a business by itself. Millions are made or lost, both by the players and the gambling dens, based on card counting techniques in use.

Technology has made its impact on card counting too, with improved computing power affecting the complete activity. Old guard gamblers however attest that a more complicated card counting system is more prone to error, negating the extra accuracy permitted by the use of technology. Anyone can find many game plans for blackjack card counting by going internet resources committed to the game. With the game increasing in fame in gambling dens all over the world, there are better techniques being created every other day. One can dig up beyond a doubt hundreds of internet sites providing you hints on counting cards and the overall tactic to make profit playing blackjack.