A weblog (usually shortened to blog, but occasionally spelled web log or weblog) is a web-based publication consisting primarily of periodic articles, most often in reverse chronological order. ...
Blogs were among the driving forces behind the "Rathergate" scandal, to wit: (television journalist) Dan Rather presented documents (on the CBS show 60 Minutes) that conflicted with accepted accounts of President Bush's military service record.
Blogs have also had an influence on minority languages, bringing together scattered speakers and learners; this is particularly so with blogs in Gaelic languages, whose creators can be found as far away from traditional Gaelic areas as Kazakhstan and Alaska.
While blogs have many purposes, some of which can be useful, most people seem to use blogs as a way of having an online diary.
These blogs still exist, and are quite enjoyable to read, however the advent of blogger.com and livejournal.com has changed this once meaningful application into utter shit, allowing every day idiots to write about how shitty their lives are and why everyone should care.
Before it became an internet word, blog was a very strong drink of indeterminate recipe invented by sf fans, worse even than their Nuclear Fizz; like Monty Pythons Australian fighting wine, it is generally believed that blog is best left in the bottle so it can be used for hitting people over the head with.