You can crank out Bitcoins on a PC, but it's an incredibly computer-intensive task, and it will keep getting harder as the number of Bitcoins in existence increases. Some people have pooled together hundreds of machines to 'mine' Bitcoins. Most folks, however, just buy them on an exchange.
Is any job safe? I was hoping to say 'journalist,' but researchers are already developing algorithms that can gather facts and write a news story. Which means that a few years from now, a robot could be writing this column. And who will read it? Well, there might be a lot of us hanging around with lots of free time on our hands.
If your plumber or pool installer or local appliance store uses HubSpot software, HubSpot may be holding information about you without you even knowing it. We figure we're safe when we use online services. We figure we can trust the people who run them not to snoop on us. I used to believe that. I don't anymore.
Nvidia's self-driving-car business grew out of a long-standing relationship with auto companies. Car guys used Nvidia chips for computer-aided design, then used Nvidia supercomputer chips to do crash simulations. When the car guys started thinking about autonomous vehicles, Nvidia leaped at the chance to help them solve the problem.