I got some interesting experience. I thought it was normal for my iPad to crash (reboot by itself) from time to time. Sold my iPad air, and got a bigger cap. To my surprise, my new 64GB wifi had been running quite smoothly the past week with ZERO crash. It is still running 7.0.3 though. I wonder if it is the 7.0.4 that got the crash bug, or if it is somehow bug related.