Types
A photo of Joi Ito's moblog.
There are various types of blogs, and each differs in the way content is delivered or written.
- By media type
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A blog comprising videos is called a vlog, one comprising links is called a linklog,[11] a site containing a portfolio of sketches is called a sketchblog or one comprising photos is called a photoblog.[12] Blogs with shorter posts and mixed media types are called tumblelogs.
A rare type of blog hosted on the Gopher Protocol is known as a Phlog
- By device
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Blogs can also be defined by which type of device is used to compose it. A blog written by a mobile device like a mobile phone or PDA is called a moblog.[13]
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Some blogs focus on a particular subject, such as political blogs, travel blogs, fashion blogs, project blogs or legal blogs (often referred to as a blawgs). While not a legitimate type of blog, one used for the sole purpose of spamming is known as a Splog. A Slog (Site or website log) is a section or 'slice' of a regular business website, which is seamlessly integrated within the regular website structure but is produced with blogging software.
- Legal status of publishers
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A blog can be private, as in most cases, or it can be for business purposes. Blogs, either used internally to enhance the communication and culture in a corporation or externally for marketing, branding or PR purposes are called corporate blogs.
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Several blog search engines are used to search blog contents (also known as the blogosphere), such as blogdigger, Feedster, and Technorati. Technorati provides current information on both popular searches and tags used to categorize blog postings.