History of Wikipeda (Hype Cycle)

 Technology Trigger: 2001 

Wikipedia is a free online encyclopedia that was launched on January 15, 2001 by Jimmy Wales. By the end of the year, 20,000 articles had been written. It continued to grow rapidly.

 Peak of Inflated Expectations: 2007 

Wikipedia’s popularity reached the peak of inflated expectations around 2006 to 2007, where a record of 1,800 articles per day were written.

 Through of Disillusionment: 2011 

During 2008 to 2011, Wikipedia declined. Around 30,000 users were lost. The Wikipedia Hype died down.

 Slope of Enlightenment: 2012 

Despite this, Wikipedia slowly rose again due to additions to the site and collaboration with other language Wikipedias.

 Through of Disillusionment: 2013 

Wikipedia reached the plateau of productivity around 2013, averaging 600 new articles per day. Currently, the English Wikipedia alone has around than 5,524,889 articles, 32,365,493 users, and 137,022 active users (users who has at least one edit in the last 30 days).

https://en.wikipedia.org/wiki/Special:Statistics