@Jenny_Trout regularly updates Trout Nation, where you can follow the train wreck that is 50shades to its illogical conclusion without melting your eyeballs.
@EmmaTofi, @katjevanloon, and @Sageling have the Fifty Shades is Abuse Blogring with links to stories, articles, and other posts of interest.
@50shadesabuse brings awareness to themes of Domestic Abuse in Fifty Shades of Grey. They run the 50 Shades is Abuse website.
@itsrane has recently started a project on her blog, Top End of Average, in which she analyzes the social and relationship aspects in 50shades. (Spoiler: the relationship is unhealthy.)
The History of BDSM has put together The Curious Kinky Person’s Guide to Fifty Shades of Grey in which a person 20 years in the scene gives a rundown of how 50shades measures up.