What Makes for a Good Blog?

Via kottke.org, Merlin Mann explains why my blogging will always be mediocre:

2. Good blogs reflect focused obsessions. People start real blogs because they think about something a lot. Maybe even five things. But, their brain so overflows with curiosity about a family of topics that they can’t stop reading and writing about it. They make and consume smart forebrain porn. So: where do this person’s obsessions take them?

I’ve got just too many categories in my sidebar.