In the short run and for decisions unlikely to have broad impact, it may be more cost effective to use just one expert.
I must analyze, from what I do now, what will be the impact two or three or five years in the future. What is the statement I want to make?
The digital team who were running Twitter, they weren't just going to put out a tweet for fun. They're going to try and figure out how do we measure the impact. Then they'd tweet it, and if it worked, great.
With 100 million people, somebody is using your product in some interesting way. If you change it... you're going to break some use cases.
The tone did take on a negativity that I didn't like and when you make the decision to go the other way as we did it very directly had an impact, you can see it with the tracking.
When I worry about risks, I worry about the biggest ones, particularly those that are difficult to predict - the ones I call small but deep holes. While odds are you will avoid them, if you do fall in one, it's a long way down and nearly impossible to claw your way out.
In programming when you're making a change you have to know all the affected places, and you have to be able to model in your head what the performance impact will be.
Beyond being timely, an obituary has a more subjective duty: to assess its subject's impact.
Practically, systemic thinking can be used to identify problems, analyze their boundaries, design strategies and policy interventions, forecast and measure their expected impacts, implement them, and monitor and evaluate their successes and failures.
You definitely have to think of the perception of things before you actually do certain things. It may not seem like it's a big deal to you yourself, but there's a bigger picture.
There's always a momentum in how users do stuff. Making small changes can have huge knock-on effects for whole companies.
Your actions are not in a vacuum. They impact other people. It may be in a way that's less obvious than in mainstream movies, but it comes to an understanding of who those people are. It also leaves it open to interpretation. And that's what art is, a form in which people can reflect on who we are as human beings and come to some understanding of this journey we are on.
History isn't just what happened, but what happened to whom and why and what would have been different if the cast of characters had been different.
How something important happens is the business of historians and newspapers, the effect it has is the business of philosophers and writers and especially poets.
The efficiency label may frequently mask special benefits for special interests. The real questions should be more qualitative ones. Who will be affected? In what ways?
Commenting on issues of efficiency in cost-benefit studies:
Science fiction is the field that explores how change can affect us, for well or ill.
You have to have a macro outlook, see the film in totality, whether it will resonate with people or not.
You'd better make sure that you know you can make a difference, and if it's a difference you want to make, is there another way to do the same thing, and what's the down side? What's the repercussions if I do this? To my career, to my family, whatever else.
Europe has a lot of problems when there are sudden decisions to take.
I try to look at problems very clearly and think, 'How do we get out of this? What will work? What will be the consequences for the people involved?'
We need to make sure that the things we are already working on turn out to do the things we believe they can do and creating value both for the world and ultimately for Google.
Of course, giving is deeply emotional. But supplementing emotion with research makes it more likely that a gift can have a bigger impact. It's like any investment. After all, you wouldn't put funds into stocks or bonds without understanding the potential return. Why wouldn't you do the same when investing in society?
It is important to remember that all business has an impact on the lives of real people.
We should not be making near-term decisions with long-term consequences without robustly debating these questions and fully considering the substantial and unpredictable risks of these actions.
MPs should be able to debate, amend and approve a mandate for the negotiation of any trade agreement before talks start, based on an independent impact assessment of what social, economic and environmental risks might be expected.