Want to be part of the largest group-writing project in human history? Learn how to contribute to Wikipedia, the user-generated online reference for the 21st century. Considered more popular than eBay, , and , Wikipedia generates approximately 30,000 requests per second, or about billion per day. It's become the first point of reference for people the world over who need a fact fast. If you want to jump on board and add to the content, Wikipedia: The Missing Manual is your first-class ticket. Wikipedia has more than 6 million entries in 250 languages, over 2 million articles in the.
