A lot of what I experienced growing up in the U.S.S.R. and coming to the U.S. as an immigrant actually reflects itself in Whatsapp. Experiences from our youth shape what we do later in life.

Advertising isn't just the disruption of aesthetics, the insults to your intelligence and the interruption of your train of thought. At every company that sells ads, a significant portion of their engineering team spends their day tuning data mining, writing better code to collect all your personal data.

As long as our user base continues to grow, at some point it will have critical mass, and at some point it will tip, and at some point, people will just have to use WhatsApp because their friends are using WhatsApp.

I had so much fun in early days learning about networking, security, scalability and other geeky stuff.

I was a loner as a child and happiest at home, launching toy rockets and aeroplanes. When I started causing trouble in my third year at grammar school, Mum was really surprised. My parents sent me to a child psychologist, who suggested I might have Asperger's syndrome.

My father was born and raised in Havana, Cuba. His family is from Spain. My father never taught me how to speak Spanish when I was little. That's very disappointing to me. I'm still planning on learning it on my own. I really want to travel to Spain and immerse myself in the culture and learn it on my own.

The royal family are protected from public accountability by law.

I come from a home where my mother was the only emotional umbrella under which we found all the warmth and comforts and sustenance. My father would come and go, and not as often as we'd want him to.