Internet celebrity

An Internet celebrity, cyberstar or online celebrity is someone who has become famous by means of the Internet. Such fame is based less upon raw numbers, as with traditional media. Instead, the wide reach of the Internet allows people to reach a narrow audience across the world and so become famous within a particular internet community. Many millions of people write online journals or weblogs. In many cases, they write anonymously or their focus is upon a specialist topic. But if the author has or develops a distinctive personality, their fame will derive from this as much as from the content of their blog.

http://en.wikipedia.org/