The difference between a stranger sending you a message that you might be interested in at a very low volume level, no repetition, just sending it to very few people, and that being done as spam — those things get close enough that you want to be careful never to filter out something that's legitimate.
The malaria parasite has been killing children and sapping the strength of whole populations for tens of thousands of years. It is impossible to calculate the harm malaria has done to the world.
Historically, privacy was almost implicit, because it was hard to find and gather information. But in the digital world, whether it's digital cameras or satellites or just what you click on, we need to have more explicit rules — not just for governments but for private companies.
Headlines, in a way, are what mislead you because bad news is a headline, and gradual improvement is not.
Bill Gates — quotes and aphorisms
Digital technology has several features that can make it much easier for teachers to pay special attention to all their students.
Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.
The advance of technology is based on making it fit in so that you don't really even notice it, so it's part of everyday life.
Research shows that there is only half as much variation in student achievement between schools as there is among classrooms in the same school. If you want your child to get the best education possible, it is actually more important to get him assigned to a great teacher than to a great school.
I believe that if you show people the problems and you show them the solutions they will be moved to act.
People always fear change. People feared electricity when it was invented, didn't they? People feared coal, they feared gas-powered engines... There will always be ignorance, and ignorance leads to fear. But with time, people will come to accept their silicon masters.