It is hard to think of practical applications of the black hole. Because practical applications are so remote, many people assume we should not be interested. But this quest to understand the world is what defines us as human beings.

There is huge demand for artificial intelligence technologies.

Social is a better way to interact with digital world. It is better than search. Implications for... everything. Total change.

The polling of Internet users shows that friends recommendations are the most reliable driver behind purchasing decisions. Right now that market is largely untapped. Facebook and other social networks can allow that to happen.

Facebook can be an accumulation of different intelligences.

It’s not about revenues: the fundamental economics in digital business is scale and margins. The top line has become the bottom line.

The largest newspaper in the United States is only reaching 1 percent of population. We are kind of assuming that 'Wall Street Journal,' 'USA Today,' and other newspapers are very important. Yes, they're extremely important, but only to 1 percent of the population on a daily basis.