Communication

Whereas previous games in the series frequently used public telephones to relay missions to the player, in GTA IV a "Whiz"-brand mobile phone is used. It has several uses, including viewingtext messages and appointments, arranging to meet friends for activities, and also for choosing to retry failed missions. The player can also take photos for certain missions, and call 911 to summon the emergency services.^[13] The police will arrest felons, and paramedics are able to restore Niko's health. The phone also allows access to the game's multiplayer mode. The player can also call other characters to talk to them, or ask for a service that they can provide, such as transportation or a reduction in wanted level. Also, cheat codes may be entered by dialling certain numbers on the mobile phone.

The game also features several different in-game databases that Niko can make use of. An in-game version of the Internet can be used by accessing the Internet café chain, "TW@", located throughout the city or by accessing a computer in a safehouse. There are over 100 fictitious websites that can be accessed within the game, and Niko can also send and receive email (including junk mail) and set up prospective dates. Although the Internet café was seen in Grand Theft Auto III, internet browsing was not possible.^[14] In a police vehicle, Niko can use an in-car computer to access Liberty City's criminal database, discover information about various criminals in Liberty City and even track them down for a reward.^[15] The game also features in-game television programming, with several viewable channels featuring programmes and advertisements. The television shows cover a wide variety of genres, including a history channel, reality shows, card games, and cartoons.

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