To identify the user in the system, only a phone number is used, that is, there is no need to enter a username and password, which can be forgotten and spend precious time recovering them.Īfter installing WhatsApp Messenger on your mobile device, you need to enable data transfer via the Internet (WiFi or 4G / 3G / 2G / EDGE), the rest of the application will do it yourself – it will generate a so-called contact list, entering into it all subscribers from user’s notebook, visually present the available functionality and help you decide on individual settings, for example, install a beautiful theme. The developers constantly worked on simplifying the interface without losing the originality of the design, they introduced the possibility of voice calls, offline work, correspondence in a group chat and many other modern and very useful features. Of course, over time, the functionality of the messenger has increased significantly, going far beyond text messages. The main reason why people at one time chose this program is free communication, because sending SMS is much more expensive, and the number of characters for one such short message is strictly limited. Almost immediately after its release in 2009, this client gained immense popularity, “eating” an impressive part of the profits from mobile operators. Among the most popular mobile messengers among users, the main function of which is to send instant messages, WhatsApp Messenger stands out clearly, being a cross-platform product.
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