Blog (eng. blog, from web log is an Internet-journal of events, Internet and online diary) is web-site, the main contents of which is regularly added notes that contain text, images and multimedia.Blogging is characterized by rather short notesof time relevance sorted in reverse chronological order (the last entry above). Differences of a blogfrom traditional diary are conditioned by the circle of people: blogs are public and usually involve third-party readers which may come into the public debate with the author (in the comments to their blogs or blog-writers).