- they are updated often
- they include photos (of people, places, things, it doesn't really matter)
- they are random (not always about the same thing)
- they are funny or thought-provoking
If you get the chance, http://weeklyscheiss.blogspot.com/ is a great blog to read. Mamacita is hilarious! (Plus, she doesn't sugarcoat things.)
When I'm in my crafty/crochet mood, I like to read http://www.futuregirl.com/craft_blog/. Futuregirl is amazing! I'm dying to embroider on my crochet now.