How Can A Blog Be Helpful to Someone ?

Well there are many Different types of  blogs informative,just for fun,or bussiness

it is also fun to maintain a blog ,it can be helpful to one when he has a question in his mind and
he posts it on a blog and waits for the answer and eventually a blog like ours "www.life-socialize.blogspot.com'
has answer too everything :)
                                           Thankyou