Anne Wojcicki

I tried to minimize exposure to technology before two. After that, I've taught the kids to use devices in moderation. It's important for them to learn how to control their behaviour themselves. Simply restricting access makes them want it more.

You make your first album, you make some money, and you feel like you still have to show face, like 'I still go to the projects.' I'm like, why? Your job is to inspire people from your neighborhood to get out. You grew up there. What makes you think it's so cool?

I was part of the draft resistance movement in L.A. where we did demonstrations at the draft centre and burned our cards and made a lot of trouble on campus. I had a student classification and they said that anybody who'd taken part in these demonstrations would be reclassified and drafted. And that's when I went to Canada.