So I just posted about how I waste time on Facebook instead of working on my writing. It occurred to me that I do follow several people and writing-centered organizations on Facebook that actually can be helpful to others. So here are some of the best ones that are useful and interesting for writers. Writer Beware – If you’re not aware of the blog run by A.C. (Ann) Crispin and Victoria Strauss at http://accrispin.blogspot.com/, then you need to Like their page. Not only do they provide watch dog services for writers out there, but they provide timely updates. Today, they posted the announcement that Hydra, the Random House digital imprint service, changed their contract details after the outcry by Writer Beware and other big…