Why do people blog?

for making money, promotion and interaction.

It depends on the propose of the diary. For a personal blog, most grouping do it to part experiences to the entire reality. If it's for corporate purposes, then it's unremarkably to designate a product/ service.

Blog has containing the nice and strong content, The blog is the useful source of information, People makes blogs for fame and money also.

Blog is mostly used for link building for our site....

It looks on the purpose of the web log. For a personal blog, most masses do it to partake in gets to the completely world. If it's for corporate purposes, then it's generally to encourage a product as well as service.

Through blogging you may express your knowledge about a particular product or place, and this is the best way for making money online.

Personal or pubilc .
someone only is making a blog for their personal life , or interests .
someone also use blog to make some money !

Most of them don't have the money ... or they just only want to give an answer if they are asked: do you have a site?

Apart from all the other benefits of hosting a weblog and maintaining it on a regular basis, the main real advantage is that it can boost your website and/or business over the internet masses in a very positive manner. If maintained properly, you can attract large audiences over the internet that will eventually benefit you.