Until recently there really was no reason to upgrade, as the increases were very incremental. With actual competition in the space we are seeing growth instead of retraction.I'm not disputing PCs are not widely used, at all. Everyone has one. But sales are down due to tablets and such. This has been known for years. Rather help educate someone who is giving financial advice based on flawed information.
Either way, it's good to see people helping to try to find a cure. It's pretty amazing to see that much computing power coming together at one time. Impressive.