What is Marketing?
Social media marketing involves both advertising and marketing including viral marketing efforts via social networking sites like Linkedin Facebook, Twitter, YouTube and Pinterest.
Definitions
The Hashtag – What Is It? How Do You Use It?
Hashtags make topics, phrases, interests into clickable links for posts in social networks. hashtags are the NEW THING in promoting your Brand or product.
Oops! You cannot have more than 20 lists twitter.com
so you mean to tell me that i cant be interested in more than 20 different things in twitter.com?