There is a website called Create50 which is linked with the London Screenwriters Festival that is producing a book with 50 short stories based around the 'Singularity'. Anyone can submit a story but only the best 50 will be picked.
The've just released a book for short stories called Twisited50' which knocked Stephen King's new book off the no.1 spot on Amazon (In the horror category).
Anyhoo, just thought it may interest someone