Blogossary

Microblogging refers to sending messages out via micro blogs.  Twitter as an example is known as a microblog.

To mothball a blog means to stop posting regularly to the blog and put it into archival mode for posterity.

A mobile blog is a journal that is updated primarily from a mobile device, and generally (but not always) while the author is on the road or traveling.

Moblog is a contraction of mobile blog. A mobile blog is a journal that is updated primarily from a mobile device, and generally (but not always) while the author is on the road or traveling.

A meme is a type of online chain letter where bloggers answer questions or participate in a quiz designed to give a quick overview of the author’s personality.Once the author completes the meme, it is customary to tag other bloggers to participate.

An internet meme (also known as internet phenomenon) is the sudden popularization of something due to a number of bloggers posting about it.

Meme resources:
WikiPedia: Meme
WikiPedia: Internet Phenomena

A few memes at a few sites:
Four Things
You Are What You Eat
Successful Habits