"Minecraft's creators revealed this week that the blocky freeform building game has 33 million users. It can easily become an obsession.
"You've exceeded your usage allowance," read the email from my ISP.
I was pretty sure I hadn't but I know a couple of people, my two boys, who might have done it for me.
That message clued me in to the depth of their obsession with Minecraft.
The game is set in a virtual world made of cubes of different materials - dirt, rock, sand, lava, obsidian and many more. Almost all of these can be used as building blocks and a few can be refined into usable raw materials (wood, iron, diamond etc)..."