Sunday Reading: High Quality Links Edition

Lots of good stuff for you today.  Let's get to it.

• How Minecraft ruined World of Warcraft.
• How to make sandbox MMOs.
• Sign-up forms keep a player base low.
• Pay attention to your kids, not the raid.
• More thoughts on family and gaming.
• Which is better classes or an open skill system?
• A passing thought from one John Scalzi.

History of Gaming from Florian Smolka on Vimeo.