Craig Federighi
Craig Federighi

If you have a billion people running a phone in every corner of their lives, and all these third-party apps and all these countries and all these languages, there are going to be issues.

Dan Levy
Dan Levy

Despite probably needing one, I don't have a therapist. Why spend the money on my mental health when I can do far more productive things such as purchase iPhone apps and pay off parking tickets?

Daniel Kraft
Daniel Kraft

In the future we might not prescribe drugs all the time - we might prescribe apps.

Dara Khosrowshahi
Dara Khosrowshahi

There's simply no better company out there doing mobile travel apps with the same level of design sensibility and utility as Mobiata.

Dave Morris
Dave Morris

Have confidence in your strengths, dear writer, or give it all up now and create apps instead.

David Hepworth
David Hepworth

'How I Built This With Guy Raz' asks entrepreneurs to tell the story of how they made their name and, in some cases, their fortune. Whether they're in the business of selling burritos or dating apps, there's inevitably something you can learn from their stories.

David Hewlett
David Hewlett

What I love about the 'State of Syn' concept is that, while it's exploring science fiction, it's also trying to explore the future of film and television and the Internet, just in the nature of how they put it together and promote it and add apps and all that kind of stuff.

Debra Messing
Debra Messing

But I've become completely obsessed with taking photos on my iPhone. I have like 400 apps.

Denise Morrison
Denise Morrison

I see more people taking charge of their well-being through the use of data and digital sensors, wearable health bands, and smartphone apps that can track and quantify everything from their heart rate, blood pressure, and sleep quality to steps walked and calories consumed.

Dennis Crowley
Dennis Crowley

It's very clear to users, more clear than in other apps, that Foursquare is an app for search and discovery, and we're very good at delivering you a social map that will show you friends' faces on the map and things that you might like.