Sprint stores closed this morning -- but why?

It's not as crisis-inducing as the Starbucks outage earlier this week may have been for some of us, but there's another store closing happening today that we need to be monitoring pretty closely: we've heard that Sprint will be closing every last one of its locations -- even licensed dealers -- from 9AM to 11AM PST for some sort of webcast. Rumor has it Sprint's baristas will be given a refresher course on how to pull the perfect shot of espresso, but if it turns out to be something else, we'll let you know.

[Thanks to everyone who sent this in]