In rural North Carolina, you can get lots of great advice about how to clean and quarter a deer carcass, but we didn't really have anyone to ask for video advice, so we just kept learning through trial and error.

We haven't shed our engineering pragmatism, so we accomplish things in the simplest manner possible. It helps with budget, obviously. We're not getting rich off web video, and we're supporting two families with our income, so we need to keep as much of the budget to ourselves.

As more girls get basic schooling, larger numbers will move up the educational ladder - some to pursue science, technology, engineering, and mathematics. That's important because workplaces around the world, especially in many developing and emerging-market countries, are becoming more automated, favouring workers with technical skills.

Pretty much everything on the web uses those two things: C and UNIX. The browsers are written in C. The UNIX kernel - that pretty much the entire Internet runs on - is written in C.

We have to face the fact that countries are going to lose jobs to robotics. The only question that needs to be answered is which country will create and own the best robotic technology and have the infrastructure necessary to enable it.

My friends asked me to be a reverend at their wedding in France a few years ago. I went on the Internet, and within 15 seconds, I was printing out a certificate which allowed me to officiate at their wedding.