Quote by Nir Eyal

Facebook is inherently viral.

— Mark Zuckerberg

“Facebook’s success was, in part, a result of what I call the more is more principle — more frequent usage drives more viral growth.”

— Nir Eyal

On engagement, we're already seeing that mobile users are more likely to be daily active users than desktop users. They're more likely to use…

— Mark Zuckerberg

I think a much better use of time and resources is to really focus on your existing users or customers and figure out what…

— Tony Hsieh

It's not the daily increase but daily decrease. Hack away at the unessential.

— Bruce Lee

When I started out in Facebook, it had only 20 people. I saw it grow to a thousand employees and from five million users…

— Ruchi Sanghvi

“in its early days, Twitter discovered that once new users followed 30 other members, they hit a tipping point which dramatically increased the odds…

— Nir Eyal

Virality, at its core, is asking someone to spend their social capital recommending or linking or posting about you for free.

— Ryan Holiday

Facebook itself has an interest in having great content so that its users keep coming back.

— George Takei

The evidence that things are changing fast can be seen in the dramatic increase in the influence of blogging. We should be collecting emails…

— Adam Rickitt

Everybody can have a viral success. You find something unique, that can happen.

— Robert Kyncl

Will the social networking phenomenon lessen? I don't think so.

— Marissa Mayer