I'd say it depends on thee business and opportunity, but Microsoft, Google, Youtube, and Facebook do all match the following...

Quoted: I once heard Mike Moritz of Sequoia explain what kind of entrepreneurs he wanted to invest in. I’m paraphrasing: “Guys under thirty who are building a product that they themselves want to use.”

Might be worth a read.

Quoted: Question: What can companies do to get smarter?
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Answer: Companies learn just like people learn—by trying new things and seeing what happens. That requires, first, a tolerance for failure, since by definition, learning means doing things you aren’t very good at.

Quoted: Marcus spends about two hours a day in his underwear managing a free dating website that gets twelve billion page views a year. He is the only employee, and he only has one server. And by the way, he makes $5-6 million/year with Google ads.
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I’ve moderated many panels in my time, and if I had to choose one that entrepeneurs should watch, this is it.

Quoted: $12,107.09. In total, I spent $12,107.09 to launch Truemors. During the dotcom days, entrepreneurs had to raise $5 million to try stupid ideas. Now I’ve proven that you can do it for $12,107.09.

Quoted: The article postulates that people have two kinds of mindsets: growth or fixed. People with the growth mindset view life as a series of challenges and opportunities for improving. People with a fixed mindset believe that they are “set” as either good or bad. The issue is that the good ones believe they don’t have to work hard, and the bad ones believe that working hard won’t change anything.

Quoted: As you can see, it’s a gold mine for great stories about entrepreneurship. Here is a list of some of my favorites. The major lesson: Entrepreneurship is all about tactics, hootspah, not knowing that things are not done “this way,” and making do with not enough money. You’ll LOL at points and wonder if a better title would not have been Flounders at Work.

Quoted: “Moderated comments” is an oxymoron. If your company is trying to be a hip, myth-busting, hypocrisy-outing joint, then it should let anyone comment. Here’s an example of one such policy:

Quoted: He allowed children to use this computer in an unsupervised way. Lo and behold, they quickly taught themselves to surf the web and to use applications--on a Windows machine, no less. :-)

Guy Kawasaki's observations on Mumbai...

Quoted: Just returned from a few days in Mumbai. What a mind-expanding experience! I was there to speak for an IBM conference for middleware vendors and customers.