Top Twitter Picks & Lists for Internet Marketers Resource Center 

Author ("New Rules of Marketing and PR")/ speaker/coach tweets on best practices and highlights good and bad examples.

Henry Blodget calls this list "The business reporters and commentators you need to follow." Only a relative handful of Twitterers have discovered this collection of analysts, journalists, bloggers and authors, but it's worth the hunt.

Blodget, the ultimate ex-Wall Street insider, has compiled a manageable list (23 names at writing) of familiar and "inside" names, including CNBC's Herb Greenberg, author Niall Ferguson and writers for Bloomberg, The New York Times and MarketWatch.

This is your one-stop job board. List creator Susan P. Joyce, an online hiring expert, has compiled this list of recruiters, employment agencies and job feeds for major corporations. Checking this list regularly will save you time and energy in your job search or help you find that next rung up the ladder.

Companies featured on the list are Monster, Hertz, Verizon, Lowe's, Sodexo, Raytheon, eBay, McAfee and Ryder.

Go right to the source for tweets on news, advice, updates and troubleshooting tips plus retweets of other valuable info.

Marketing veteran's posts answer the question "What's interesting?" You might not always agree but he never wastes your time.

CEO, Deep Focus media agency. Tweets his/others' presentations and is entertainingly counterculture on Social Media in biz.

If you follow only one marketing-focused list on Twitter, or if you're new to Twitter, you've just found the mother lode of Twitter thought leaders.

HubSpot's well edited list is manageable to follow with only 48 names at writing. It spotlights A-list authors (Doc Searls and David Meerman Scott), trend-finders (Robert Scoble) and smart marketing people worth getting to know better (John Jantsch of Duct Tape Marketing and wine marketer Gary Vaynerchuk).

Social Media Marketing guru shares news, advice; often answers' followers' questions about using socmed in business.

SEO expert (High Rankings) comments on best practices in search, new media issues and online/email publishing.

Generous information-sharer. Valuable not just for his tweets but also whom he retweets. Check out his 'Following' list.