Official news of Microsoft My Phone won’t come until Steve Ballmer’s keynote at the Mobile World Congress in Barcelona, but you can pre-register to get in on the beta of the new service now.  The service, code named “Skybox”, …

This morning Engadget Mobile posted a screenshot from getskybox.com, with graphics and copy indicating a new beta called Microsoft MyPhone.  We checked on it this morning but the site was offline by the time we checked it out.

Apparently …