Purple Cows, Meatball Sundaes, and Seth Godin
Have a product you're trying to market? Looking for advice on how to run your business or even just your life? Seth Godin breaks down complex principles in a very readable way. Here are some of his recent hits:
Tribes: We Need You To Lead Us -- how to leverage informal communities, even on the web
The dip : you will always succeed if you know when to quit -- Nothing worth doing is easy; which is why you need to be ready to either succeed or quit
Small is the new big and 183 other riffs, rants, and remarkable business ideas -- an amalgam of insights from his blog.
Godin's writings have a practical sensibility that, if nothing else, remind you to be inspired. You can find him on the web at Seth's Blog.