For Marketers 
Hash Tagging with Twitter(4)
Have you ever wondered what #these #things #are #in #the #messages #your #friends #send #on #twitter? Wonder no more! Hash tags can help you organize conversations and re-purpose Twitter data.
Search For Conversations on Twitter With Summize
Social media marketing is all about the conversation. That is why Summize, a site that allows you to discover what millions of internet users think about zillions of products (so says their marketing materials) is so powerful.
Twitter Me This - More Twitter Marketing
It is only a matter of time before marketers really pick up on Twitter and creatively discover ways of bringing in new customers. Twitter Me This (which I followed as a part of writing about it) is just one of many potential ways marketers can use social media.
Twittering for Business: Southwest Airlines
Straight from the “Great Uses for Social Media” file comes Southwest Airlines recent adoption of Twitter to get the word out about everything from special fares, fantastic destinations and airline safety.