If there's ever an example of the importance of making bold bets and focusing on what you love, it's Twitter.

Once in a rare while, somebody comes along who doesn't just raise the bar, they create an entirely new standard of measurement.

If there's ever an example of the importance of making bold bets and focusing on what you love, it's Twitter.

The beauty of Twitter is that more and more people are flocking to it because it's shrinking their world.

That’s just silly. Closing a global business in reaction to single-issue national politics is foolish.

Don't always worry about what your next line is supposed to be. There is no script. Live your life. Be in this moment.

Successful businesses measure and count things. I think that's a safe assumption on top of which we can drop the following hypothesis: unsuccessful business either measure nothing, the wrong things, too many things, or finally, they measure the right things but they don't communicate the measurements efficiently.