BlackBerry shutting down music and video stores on July 21st

In addition to the big announcement today that the Amazon App Store will be coming to BlackBerry 10 later this year, BlackBerry also dropped word that they'll be shutting down their music and video stores on July 21st. Any media that you've already purchased (including music, movies and TV shows) will continue to be available, you just won't be able to purchase new content. The...