I just recieved this email today , I don't know if its open to the public now, or if I just got accepted. Just letting you all know.
"Dear User,
Welcome to Microsoft® My Phone, and thank you for your patience while on our wait list.
Your registration for the service is now available. To complete the sign up process, go to
https://myphone.microsoft.com and follow the on-screen instructions.
We hope you enjoy the service!
Thank YouSincerely,The My Phone Team "