Understanding StackExchange
What started as a single website in 2008 by the name of StackOverflow for developers/programmers has now outgrown its humble beginnings to become a full-fledged Q&A platform catering to topics as varied as mathematics, biology, music, and many more.
Stated simply, StackExchange is a platform consisting of various Q&A websites under its umbrella (one for each topic) where questions, answers, and users are subject to a reward/award process. The platform gamifies the Q&A process and rewards its users with increasing privileges as their reputation scores improve based upon their activity on the network. The reputation scores in turn have been really successful in moderating the content on the network and thus providing useful high quality answers to the majority of the questions unlike other Q&A platforms.
In terms of numbers, StackExchange has over 150+ sites for as many topics and growing, it handles about 1.3 billion...