Alternative agriculture practices - Skyscrapers and Underground crops

I was very impressed by the following article published in Wired.
No Green Acres? Try Skyscrapers If this technology can be made a little more simple it can be revolutionary. By simple I mean it shouldn't need a brilliant computer scientist to maintain the farm.

Another Wired article about what pharma companies are doing to grow their genetically engineered crops. Though its expensive they can be assured about the yield and they need not worry about their crops contaminating other crops.
Underground crops