betting amounts. The situations it analyzes are conditional on the opposition's playing characteristics and the player's position relative to the dealer. Graphs can be produced for a single session or for any part of one's playing history. One of the biggest improvements in PokerTracker 3 over PT2 is that it is fully customizable so that all statistics and reports can be tailored to the individual user. The Guardian claims most serious players use PokerTracker during online play to constantly calculate situational optima. PokerTracker 3 is also known for its integrated heads-up display, a transparent video overlay data presentation that makes statistics and notes are readily available during play. The HUD allows an online poker player to focus his attention on the poker table he or she is playing at, rather than on the PokerTracker application. The HUD provides a vast array of realtime statistics for in-game analysis, customizable to the user's preference. In addition to the statistics available constantly during play on the poker window, detailed statistics are available in a pop-up window, accessible via a single mouse click. Marbella Slim of the Daily Star used the vision of Arnold Schwarzenegger's Terminator character in an analogy with the HUD: "In some scenes, you get to see what the robot Terminator is seeing and he has all these data streams in front of his vision - it's a HUD or a head-up display." Unlike other poker tracking products, PokerTracker 3 includes a HUD as part of the basic program. The PT3 HUD, which automatically overlays a player's opponents' statistics next to their avatars, is essentially a built-in version of the formerly available PokerAce HUD. PokerTracker 3 also offers a monthly subscription-based service called TableTracker. TableTracker is an integrated service that automatically identifies ring tables with competition suitable to the user's playing style. PokerTracker's servers constantly monitor which players are playing and what tables they are playing at on various major poker sites, which allows TableTracker to find the weakest players across multiple online poker websites. The user can search based on the software's built in scoring system or any other statistics of his or her choosing. Use and legality Serious poker pros and casual amateurs alike can benefit from the poker tracking software, and poker magazines such as Card Player repeatedly remind poker players of the usefulness of tracking software. Total Gambler says that in addition to experience and skill the