A blog is essentially a web page, but with more features and functionality. The main characteristic is that its content is about personal information showed in a diachronically way (as a diary), but this personal approach could also be about personal oppinions.

Many webs do fullfill with this defintion but still, they are no clasiffied as blogs. So we can clasify blogs according to its content, according to its features (nature) or even accoding to its ownership or managemet.

Dynamic vs static content
Some blogs are just web pages updates via ftp (static webpage) adding more and more content in a chronological way while other blogs use technology of scrips based on Databases to be updates, like SQL that provide a dynamic organized content that can be updated via web pages.

Individual managemet vs automated web server owned by an organization
This is another divisiono of blogs. You can run your own blog in your website with you own domain name or you can use existing weblog providers (most free) that allow you to set up your own blogin their web. And of course you control your content. Here there is a list of the most popular blog services weblog provider.

TYPES OF BLOGS ACCODING TO AUTHOR

A. Single Blogger : is a “single-author” production (as is typical of blogs) and includes photos as well as comments from readers about her posts. This kind of bloger writes about research topics of interest to him (one of which is usually blogging itself) but also writes about his experiences as a professional or about aspects of her personal life.

This type of blogger is very much known as a blogger, and whose blog has a large community of regular readers. His blog is a good example of how a blog can “make you an author” in the digital realm in the same way that a book makes you an author in the realm of book-readers.

Some of this individual blogs can be static web pages but most of them are dynamically managed in corporate web servers that specialized in offering blog service to users.

Examples of this writers can be: Dr. Jill Walker's blog  |  Francis Pisani  | :

| Felicia Sullivan.[More a personal web page than a Blog. No posts ]
| Beatrice [ General literary links and information].
| Sarah Weinman [ possibility of posting]
| Scribbling woman [ Lots of stuff]

B. Group Blog (open). Finally we will talk about group blogs. Someone's blog — someone and few other people’s blog who share a interest— , In this type of blogs we find a group blog like those well established ( i.e: Language Log) , but about an emerging field rather than an established one or even a polemic issue at debate. These are examples of fields or forums:

• New Media - the creative uses of the computer
• Pier-to-pier connection for sharing data
• Social Activism in the net
• Copyright and Society, etc...

We find other features in this type of blogs:

• Readers are very welcome to stop by and comment.There are responsible bloggers who are authorised moderators
• Bloggers must register to give proof of identity are are responsible for theirs oppinions.
• Some users help to organize the information.
• Some wellknown participants or Bloggers usually write in more than one blog at a time and comentaries are referred from one blog to another or even in the mainstream Media.
• There are links to other blogs, other web pages o interest and other services like "archives".
• The moderators spend much of their work preventing the entry of vandals and uncaring merchants from destroying the space the community blog has for discussion. This is due to the fact that anonymous entries are allowed.

[this can be the case of : Grand Text Auto.]

C. Corporate Blog (specialized group blog). This is a blog mantained by a proffesional expert in a field, or an academic professor. The tone is somewhat in between that of serious university professor and the popular newspaper columnist. This type of blog is a great resource where you can read commentaries by major specialists on day-to-day specific issues (i.e.:political).

Here you’ll find a very timely analysis of the things such as environment policies, economics, political issues at debate or specialized issues like poetry, news, literary criticism and so. There are normally two somewhat unusual things about this specialized blogs:

1.- It may not allow comments from readers to be published in the blog, (although I would not claim these bloggers are recluses or cut off from their readers; they can be reached by email).

2.- This is a “group blog” that is run collaboratively. Of course, the established academics who run it do not need the blog to make them authors, but when this blog gets mentioned in an article in the British magazine The Economist, you can imagine that it is one of the things that continues to ratify them as authors.

[i.e. Language Log is a blog by linguists]