By signing up for a Pinterest Business account you can:
1. Show your fans what inspires you or what you find interesting.
2. Drive traffic back to your other sites, like your web store, newsletter signup, or other social media (Facebook, twitter, etc).
3. Use analytics tools to track activity to find out how many people are Pinning from your website, seeing your Pins, and clicking your content.
4. Engage with fans that comment on your posts and build relationship which creates your fan base.