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Instant messaging is a set of communication technologies used for text-based communication between two ( private messaging) or more (chat room) participants over the Internet or other types of networks (see also LAN messenger ). [6] IM chats happen in real-time.
This CAPTCHA (Version 1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient. A CAPTCHA is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John ...