Instant messaging (IM) is a form of communication in real time based on the text directly between two or more people who use personal computers or other devices with common software customers. user text can be placed on a network such as the Internet. More customers advanced instant messaging software(Messenger ) also allows for enhanced forms of communication such as live voice or video calls.

Instant messaging (IM) is a technologies collection used in communication, text-based real-time between two or more participants via the Internet or other networks. Of significance is that the online chat and instant messaging differs from other technologies such as e-mail because of the synchronicity of possible messages that users chat happens in real time. Some systems allow messages to be sent to persons not currently logged on (offline messages), thereby eliminating some of the differences between IM and e-mail (often done by sending the message to the e-mail account associated).

IM allows effective and efficient communication, allowing the immediate receipt of acknowledgment or reply. In many cases, the IM includes additional features that can make it even more popular. For example, users can see each other using webcams, or talk directly for free over the Internet using a microphone and headphones or speakers. Many programs allow clients to transfer files as well, although they are generally limited in file size allows.

Each service provides modern Messengers generally own a piece of software or installed separately, or a browser-based client. These usually only work with this service, company, although some allow limited role with other services. Applications are also third party client software that connects to instant messaging services more important. Adium, Digsby, Meebo, Miranda IM, Pidgin, Qnext, SAPO Messenger and Trillian are some of the most common. Instant messaging can be a Friend-to-friend network, where each node of a list of friends of friends. This allows the construction of communication with friends and chat for instant messages to all friends on that network.

Gmail is instant messaging capabilities of the same web page, which can be used with a web browser without the need for an instant messaging client for download and installation. Later, Yahoo and Hotmail also implemented. Meebo chat site different instant messaging services. Usually such services are only text chat, even though Gmail is an audio and video. Since August 2010 with Gmail allows conventional phones to their web-based IM client.