>What’s more, processors are so cheap and available that it is a trivial matter to add more of them to a system. I don't know what Uncle Bob uses but the mothe

>What’s more, processors are so cheap and available that it is a trivial matter to add more of them to a system. I don't know what Uncle Bob uses but the motherboard in my PC has exactly one CPU socket. And at $600 I wouldn't say it's cheap. I'm not sure how can I add another CPU to my laptop and my mobile phone. Also not all software is multithreaded.