Is big tech ready to spawn a Netflix for video gamers?

When Cory Burdette awoke recently to learn that Winter Storm Gia had caused a two-hour school delay in Reston, Va., he seized the chance to do a little family bonding. Plopping down in front of the TV, Burdette and his 5-year-old daughter spent the morning together playing "Minecraft," the Lego-like...