Explore WhatsApp Clock Sign, Single Tick, Double Tick

WhatsApp is an instant messaging mobile app with 800 million active users(April 2015) currently owned by Facebook from February 19,2014.We will try to explore WhatsApp’s user interface a little bit deeper but before that we will go through actual working of WhatsApp which will help us understanding its service. How WhatsApp Works? WhatsApp follows a ‘store and forward’ mechanism for exchanging messages between two users. When a user sends a message, it firstly travels to the server of WhatsApp where the message is stored. Then server repeatedly requests the receiver to acknowledge receipt of the message. As soon as message is acknowledged, server drops the message which means it is no longer available in database of server. WhatsApp server keeps the message only for 30 days in its database when it is not delivered to receiver (when receiver is not active on WhatsApp for 30 days). Explore WhatsApp with Clock Sign, Single Tick, Double Tick, Double Blue Tick Clock Sign or Icon When we send a message, it sometimes displays a clock icon which means that the message is not sent to the server of WhatsApp from your mobile which may be due to internet connectivity issue or WhatsApp is waiting for enough internet bandwidth required to send your message to server. Single Tick When the message has reached the WhatsApp server (not receiver), it display a single tick in the user interface. In this, the message has travelled from your device to the server and at this point server is trying to send request to the receiver and waiting for acknowledgement of receipt of the message. Double Tick Now...

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