50 Shades of Grey and Twilight: When Is Fan Fiction Not Fan Fiction?

I have spent the last several hours trying to figure out the phenomenon that is E.L. James' 50 Shades of Grey. The book is selling like hotcakes, based almost exclusively on word-of-mouth buzz and some Goodreads viral magic. According to Good Morning America, 50 Shades of Grey is heating up bedrooms, and it's even been called "mommy porn." Sex certainly does sell -- but it's this series' Twilight-based origins that are raising eyebrows and making people in the publishing and writing communities question when fan fiction stops being fan fiction. ...more
I think they're both pretty awful in various ways, but then Twilight is for teenagers and Fifty ...more