One of the ideas behind BiblFeed is to mix microblogging feeds together with feeds from "ordinary" blogs. This seems to fit well into Mashable's predictions about blog design in 2009:
Tweets move out of the sidebar: More bloggers will mix blog posts and tweets into a single column together a la Tumblr, rather than keeping them in the sidebar. More new themes will have a built-in style for displaying tweets in an elegant way amongst blog posts. Wordpress users will find the Twitter tools plugin useful.
Read more about the Twitter effect in 2009: 10 Ways Twitter Will Change Blog Design in 2009: