Lest you think that Figment may be unregulated, there's a page of Guidelines that participants must adhere to.
Besides original writing, there are also previews of forthcoming books (from recognizable publishers), author interviews, forums, a blog, and contests. And, for parents with teens, with a little oversight it's a "safe" site for your young writers and readers. (Participants must be 13 to sign up.) There's even a place for teachers to sign up to receive news about "educational programming and partnerships."
Here at the library we have a great book for readers who also want to be writers. It is written by Francine Prose, a well-respected contemporary writer, and is titled Reading Like a Writer: A Guide for People Who Love Books and for Those Who Want to Write Them [808.02 PRO].
When it came out, the New York Times review stated,
Her notions of good writing are elastic and open-minded: a liberal view rooted in a belief in the importance of reading. "The advantage of reading widely," she notes, "as opposed to trying to formulate a series of general rules, is that we learn there are no general rules, only individual examples to help point you in a direction in which you might want to go."