These are links to articles with great tips and tricks to understanding and using social media.

Facebook for Authors:

1. The Power of Facebook for Authors

2. Five Facebook Marketing Tips for Authors

3. How to Create a Facebook Page in 3 Easy Step

Twitter for Authors:

1. How Not to Sell Your Book on Twitter

2. 44 Essential Twitter Hashtags Every Author Should Know

Blogs for Authors:

1. 3 Essential Blogging Tips For Your Author Website

2. Quick Tips for Writing A Successful Blog

Pinterest for Authors:

1. 5 Ways to Use Pinterest for Book Promotion


And just for fun… here is a very helpful image to help you distinguish between all the Social Media channels out there: