This is the August 18 2009 special edition of Who's Blogging What, a weekly newsletter that covers more than 1,000 top web marketing blogs to help busy online professionals involved in social media, search marketing, email, user experience and web analytics. Listed below are the recent posts on Twitter marketing that our readers have found to be the most useful. Subscribers receive updated lists with all new links weekly. If you want to be kept up to date you may enter your email address in the box at the right.

Current subscribers need to do nothing at this point...thank you for your continued interest.

• Twitter 101 - A Special Guide [business.Twitter.com]
• 10 Great Ways To Use Twitter To Your Business's Advantage [WebProNews]
• 6 Ways to Use Twitter to Impact Your Brand [Ogilvy]
• 4 Ways Brands Are Earning -and Buying- Followers on Twitter [Jeremiah Owyang]
• 137 Small Business Twitter Tips [Small Biz Trends]
• 8 Examples of 'Win Great Stuff' Efforts To Drive Twitter Followers [Creativity in Public Relations]
• Five ways to make money from Twitter [LA Times Technology]
• What Click-Through Rate Can You Expect From Twitter? [Mashable]
• Using Twitter To Rate Email Campaign Effectiveness [Mail Chimp]
• 5 Twitter Tips to Strengthen Your Content Marketing Strategy [Content Marketing Today]

Don't leave your followers behind.

There's a lot of value for your Twitter followers on this page and they'll thank you for it (since this is a newsletter very few have seen it). This button can take you to your Twitter page (new window) with a short 65 character Tweet (leaving plenty of room for ReTweets). Use it if you like or come up with something even better.

Your followers will appreciate it and so will we. Meanwhile you'll also be giving exposure to the bloggers who do all the great work. Thanks!

• 15 Useful Twitter Tools For Web Workers [Freelance Folder]
• 3 Aggregation Tools For Tracking Tweets [Search Engine Land]
• 50 Free and Exclusive Twitter Icons [Designer Depot]
• Tinker Becomes A More Powerful Twitter Trends Discovery Engine [TechCrunch]
• 10 valuable Twitter utilities for business users [Between The Lines]
• 4 Easy Ways to Find Valuable Business Twitterers to Follow [Scott Fox]
• The 14 most essential tools for a killer Twitter strategy [Blending The Mix]

• Twitter Search Tips For B2B Marketers [Search Engine Land]
• The Top 10 Twitter SEO Tips [Mashable]
• What Bing, Twitter, and Facebook Mean for SEO [WebProNews]
• Facebook testing real-time search before Twitter becomes defacto [Between The Lines]
• Twitter SEO - the Future of Keywords [Search Engine Journal]
• GeoChirp is a Really Cool Local Twitter Search [Mashable]
• Bing Starts Indexing Twitter Updates, Sort Of [Search Engine Journal]
• Contextual Ads Based Off Social Network Profile: Twitter and Facebook [Jeremiah Owyang]

• Pro Twitterers Share Their Secrets [Mediapost]
• 10+ super geeky ways to use Twitter [Download Squad]
• Eight Firefox extensions for the Twitter fanatic [WebWare]
• From Corporate to Personal: A Breakdown Of The Four Types of Twitter Profiles [Jeremiah Owyang]
• Twitter Better: 20 Ways to Filter Your Tweets [Mashable]

• 10 Stunning [And Useful] Stats About Twitter [Influential Marketing]
• Top 5 Twitter Related Trends to Watch [Mashable]
• Twitter Becomes Most Linked to Social Media Site in Email Marketing [Email Data Source]
• An In-Depth Look Inside the Twitter World [Sysomos]
• Project Retweet: Phase One [Twitter Blog]
• A round up of Twitter stats - 3/4 joined Jan to May 2009, 60%+ in US [Social Media Today]
• For TechCrunch, Twitter = Traffic -A Statistical Breakdown [TechCrunch]
• Technorati Seeks Some Twitter Juice, Launching Twittorati [Paid Content]
• 2009 Facebook and Twitter Growth by Age Group [Ignite]
• The Web in Numbers: Twitter Back on Track, Wolfram Alpha Plummets [Mashable]