We’ve said it before: Twitter is the wave of the social media future! With Ashton Kutcher reaching over 1.5 million followers, and Oprah gaining over 700,000 followers since her Twitter debut on her show two weeks ago, Twitter growth is increasing exponentially! New users are signing up by the boatloads every day.

Because the second most frequently asked question by Twitter newcomers is, “who should I follow?” we decided to put together a list of the writers we follow on Twitter…and why you should probably follow them, too!

@problogger @problogger (Darren Rowse): Full time Blogger, Author, Social Media Participant. Sharing Blogging and Twitter Tips (and a little life).
Why we follow him: If you haven’t read his blog, Problogger, check it out. He offers excellent tips for writers and people aspiring to be professional bloggers.
@skinnyjeans @skinnyjeans (Stephanie Quilao): Deliciously creative blogger of Everyday Tweet. Founder. I share stuff I think is awesome and helpful. Healthy living, Work, Food, Design, Photography, Twitter.
Why we follow her: Her documented journey to becoming a professional blogger on her website, The Everyday Blogger.
twitter_daivrawks @daivrawks (Daiv Russell): Super-caffeinated Ninja-Nerd, Foodie, SEO/Copywriter, Husband, Project Mangler, Vegetarian, Software Process junkie, and Org Psych, Marketing & Statistics
Why we follow him: With a blog named Ninja Nerd, how could we not? Plus, he’s got great SEO writing tips on his blog.
@copyblogger @copyblogger (Brian Clark): I create new media content for fun and profit.
Why we follow him: He offers great writing tips on his blog, Copyblogger, from how to write catchy titles to how to overcome writer’s block.
@thedomesticdiva @thedomesticdiva (Heather): Freelance Writer. Professional Mommy Blogger. Graphic Designer. Photographer. I’ve participated in the Sony Mommy Blogger Event and Walmart’s ElevenMoms.
Why we follow her: Her blog, Domestic Diva, is fun…but we love her videos even more.
@paulabrett @paulabrett (Paula Brett): Marketer, Web Host, Writer, Blogger, Actor, Singer, Footy mum, Voddie Glugger, Legend in My Own Lunchtime
Why we follow her: Her tweets range from professional to, “People who say they never let little things bother them have never slept in a room with a mosquito!” and she shares tips for bloggers on her own blog.
@writingspirit @writingspirit (Julie Isaac): Tips to unleash your writing genius and rock your world with twitter. Host of #WriteChat Sundays 12-3pm PST. Soon to unveil Twitter Made Easy.
Why we follow her: Writers can get lots of great tips and chat with other writers on #WriteChat (on Twitter).
@sarahprout @sarahprout (Sarah Prout): Author, entrepreneur, online socialite, publisher, passionate advocate of the Law of Attraction and mother of 2 little darlings.
Why we follow her: She’s the founder of Sprout Publishing and helps aspiring authors get their works published in compilation books along with celebrity contributors.
@thedailyblonde @thedailyblonde (Cheryl): Blogger,Writer,Commentator on Bullcrap, Funny Girl, Single Mom to 5 Awesome Kiddos. I’m A Left Handed Polish Chick & I’m NEVER Growing Up!
Why we follow her: Because she “lives without a filter on her mouth” and she’s just plain funny.
@conniegreen @conniegreen (Connie Green): I teach new entrepreneurs how to use online writing and technology to build a profitable business.
Why we follow her: She has great tips on her blog, Ebook Writing and Marketing Secrets, for business bloggers and marketing yourself as a business.
@hakicoma @hakicoma (Hans): Blogger, Blogging tips, Social Media lover and Internet Marketer. I really enjoy meeting new people… contact me!
Why we follow him: He has tons of great writing tips for bloggers at his blog, Catch The Posts.
@linnetwoods @linnetwoods (Linnet Woods): I live aboard a schooner with my man and a cat… I’m a freelance writer and web mangler…
Why we follow her: She’s very active on Twitter and her daily “Twitterhood” trivia quizzes are fun.
@redhotcopy @redhotcopy (Lorrie Ferrero): Copywriter, speaker, internet marketer, mother, wife
Why we follow her: She’s fun on Twitter and her blog, Red Hot Blog, often has useful tips like this video for book authors on how to get celebrity endorsements.
@mike_stelzner @mike_stelzner (Mike Stelzner): Author of book, ‘Writing White Papers,’ organizer of large summits and a dad
Why we follow him: He has lots of useful information on writing white papers on his blog, Writing White Papers, along with great videos like this one on how to prevent the “feast or famine” cycle we’ve all run into at one point or another as freelancers.
@jonfmerz @jonfmerz (Jon F Merz): Novelist (the Lawson Vampire books, Rogue Angel), screenwriter, non-fic author, TV dude (THE FIXER), partner at New Ronin Productions, Bujinkan Ninjutsu 5th dan
Why we follow him: Because there aren’t enough fiction novelists on Twitter, let alone ones who are as active as he is! You can also check out his blog, Boston Nocturne, for direct ebook downloads.
@remarkablogger @remarkablogger (Michael Martine): Blog consultant and coach
Why we follow him: He has great writing tips on his site, Remarkablogger, as well as catchy titles like: How to Write an Ebook that Doesn’t Suck
@thecreativepenn @thecreativepenn (Joanna Penn): Author, speaker and coach – writing, self-publishing, print-on-demand, internet sales and promotion for your book
Why we follow her: She has great tips for self-published authors at her blog, The Creative Penn.
@joefinder @joefinder (Joe Finder): NYT bestselling thriller writer, Dad, Red Sox fan
Why we follow him: Not only is he a New York Times best-selling author who’s active on Twitter, but he also has occasional writing tips on his blog, Joseph Finder’s Blog.
@jennipps @jennipps (Jen Nipps): Freelance writer/editor specializing in creativity, writing, fashion, health, & general interest. Update frequently. I’m sorry, but I can’t follow everyone
Why we follow her: She always has great tips for writers (and freelancers in general) at her blog, TutorialBlog.
@menwithpens @menwithpens (James C): A Canadian freelance writer with a pen mightier than a sword
Why we follow him: His blog, Men With Pens, is another excellent resource for freelance writers.
@kathleenfuller @kathleenfuller (Kathleen Fuller): Novelist, freelance writer, author of upcoming Amish novel series Hearts of Middlefield
Why we follow her: She tweets and re-tweets a lot of useful articles for freelance writers.
@angee @angee (Angela Booth): Want to write, have fun and make money? Join me in this incredible new media journey to make good old-fashioned cash. I’m a copywriter and author.
Why we follow her: Great tips for writers on her blog, Angela Booth’s Writing Blog.
@joner @joner (Linda Jones): Director of Passionate Media, journalist and author. Mum of twins, blogging at www.gotyourhandsfull.com
Why we follow her: Her blog, Freelance Writing Tips, contains lots of great writing tips and book reviews.
@chafkin @chafkin (Max Chafkin): I write for Inc. magazine. I live in Brooklyn.
Why we follow him: We like when he says things like this, “Beg for followers? Ewww. Twitter needs less of that. More conversation please.”
@kathrynvercillo @kathrynvercillo (Kathryn Vercillo): Blogger/Writer. Always pushing the boundaries of my creative experience.
Why we follow her: Aside from the fact that we think more people should follow her, she publishes some great articles on her blog, Real Words, like Being Productive When Working from Home.

And, if you’re still not following @odesk on Twitter, what are you waiting for?