A WIKI IS A COLLABORATIVE WEB SITE THAT ALLOW USERS TO CREATE,ADD TO, MODIFY,OR DELETE THE WEBSITE CONTENT VIA THEIR WEB BROWSER.
WIKI ARE OPEN TO MODIFICATION BY GENERAL PUBLIC, AND USUALLY COLLECT RECENT EDITS ON WEB PAGE.
THE DIFFERENCE WIKI AND BLOG IS THAT USERS CANNOT MODIFY ORIGINAL POST MADE BY THE BLOGGER
A POPULAR WIKI IS WIKIPEDIA, A FREE WEB ENCYCLOPEDIA
