TWITTER

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http://www.edelmandigital.com/2010/06/15/manage-your-twitter-followers-via-email/

Manage Your Twitter Followers Via Email | Edelman Digital

As we are building our Twitter network (whether personal or for a brand) there comes a time when it’s a little difficult to keep up with the influx of new followers. While Twitter’s email notifications have improved over the years, they don’t necessarily give you all the information you need to follow someone back and it can be time consuming to look at every individual new follower profile as notifications come in throughout the day. The tools below can help you keep up with day-to-day updates associated with your Twitter account. NutshellMail is an email notification tool that allows you to customize what information you’d like to see and how often you’d like to see it.
Management

SHARING TOOLS

How to Become Instantly RT-able (A Twitter Guide) « Modelsupplie

http://modelsupplies.wordpress.com/2009/05/09/how-to-become-instantly-rt-able-a-twitter-guide/ RT stands for retweet, which is to take another Twitter member’s tweet and post it as new, giving credit to the original author using “RT” plus the member’s name: RT @member or via @member. [Edit via Travelwriter comment]
If you work in marketing or public relations, the chances are you are now regularly being asked to use social media to spread your client's messages. I have met lots of marketers and business owners who are surprisingly still trying to figure out how to get the most out of these channels with many trying something small but not measuring the results effectively. In light of that fact, I thought it would be good to share some useful Twitter tools with you — so you can measure that and see how you are doing. The truth is Twitter is all about conversation, not just marketing offers, although that said they do help to a certain point. http://socialmediatoday.com/SMC/165191

Twitter stats and analytics tools - top 10 | Social Media Today

TwitHawk - Twitter & Social Media Targeted Marketing

TwitHawk is a real time targeted twitter marketing engine that will find people talking on Twitter about your chosen topic and location, allowing you to really hit your target mid conversation with ease. http://www.twithawk.com/

Twitter and Facebook: The New Tools of Productivity or Distracti

http://www.briansolis.com/2010/03/twitter-and-facebook-the-new-tools-of-productivity-or-distraction/ The argument is strong on either side of the case: do social networks increase or decrease productivity on the job?
TWOOLS

Analysis

http://eureka140.com/

Eureka140 - Creating the Universal Mind, one follower at a time.

Through the creation of a collective conciousness on Twitter, @eureka140 will become much more than a search engine. By utilising the wisdom of crowds it will become a thought engine, able to answer any question that you ask.