I was on Twitter today and read a tweet with a link to this great blog article by Lori McNee:
Brand Yourself as an Artist on Twitter
This article is filled with many tips on how to use Twitter to your advantage and grow your business. In addition, if you look around her blog you'll find a number of articles related to improving your art AND growing your business. To have success with your art you absolutely have to have business savvy as well as artistic talent.
I'm sure you'll learn a lot from her articles...I know I did!
More sharing on the way...until then,