Let's take the time to appreciate the progress of technology. Here's a video that shows the Evolution of Apple from the Apple IIe to the iPhone. If you take the time to appreciate this video at :46 then you will also appreciate genius!
To those who works in the mining industry, getting an MSHA training is definitely one of the things you can do to ensure that you yourself are trained to handle all kinds of hazards at work and increase health and safety. Online programs like this are very useful specially to those mining area where training centers are quite far away.