visions matter. Visions give people a direction and inspire people to act, and a group of inspired people is the most powerful force in the world

The most important thing to realize about the future is that it's a choice. People choose which visions to pursue, people choose which research gets funded,

be inspired by the untapped potential of human capabilities. Don't just extrapolate yesterday's technology and then cram people into it.

Don’t chase your competitors. Chase your customers.

Newer isn’t better. Better is better

arity

When you try to move beyond the Hey, I'm not using Facebook! How does this work? dimension of Google+, you find there's no reason to stay. The site's worse than irrelevant: it's redundant. There's no niche, no small slice to serve, no tight community of geeks in need of a petri dish.

Facebook is stellar at what it sets out to do. It murdered photo sharing services, decimated the use of Instant Messaging, is in the ring with Twitter, and, of course, is where all your friends are. And for a social network, we want to be where our friends are

Google+ has a news feed—Facebook's is better. Google+ has a wall of some kind—Facebook's is better. Google+ had "Circles," which illicit erections across the internet for some reason—Facebook stole the idea and made Lists, which are the same thing. And that last one's crucial. No matter what Google+ might have on Facebook, Facebook can always take. They stole Twitter for statuses, they ripped AIM and Skype for Facebook Chat, and they'll ransack whatever few nuggets of worth lie in Google+ as well. They'll always be ahead.

when a user is given too many choices, it makes it harder for the user to make any choices

if it seems difficult to you, imagine what it will be like for a novice

"Only click the button once or you will be charged twice." Really? The developer of this site couldn’t take the time to disable that button after it was pressed?