Google has their own Blog to which they post occasional announcements

Problogger has collected some excellent tips contributed by his readers which guide Bloggers into building better content and managing their blogs more effectively.

Most of the time you want your blog posts to hang around until the earth explodes, but there are some reasons to want posts to expire or get deleted automatically…

Measure Map is a Web application that helps people get to know their blogs. We do this by collecting and analyzing blog-specific traffic statistics and presenting them in a browsable interface that encourages exploration.

Speed up your WordPress blog by optimizing the database tables.

Instantly press any content you’re viewing into your WordPress blog using the “Press-It” bookmarklet.