Building a successful company (or living a happy life, for that matter) is not about embracing someone else's philosophy, but staying true to your own beliefs about the world and learning from the mistakes you make along the way.

Sharing with just your friends doesn't protect your privacy. I know the people at Facebook will disagree and argue that users can control what is shared with whom. But this is simply an illusion that makes us feel better about all the sharing we have done and are about to do.

Google has placed its faith in data, while Apple worships the power of design. This dichotomy made the two companies complementary. Apple would ship the phones and computers, while Google would provide Maps, Search, YouTube, and other web tools that made the devices more useful.

The big reason why we don't have space colonies and regular trips to the moon is that flying into outer space is just plain 'hard.' The business of safely transporting people off the Earth is a costly affair that requires a lot of technology.

Don't let failure deter you; use it as a stepping-stone and an educational experience towards making your mark on the world.

The world's most successful entrepreneurs play hard, but they work even harder.

Trending topics helped make Twitter a more relevant metric of what the world was talking about at any given moment. Google has worked for years in the space, most notably with Google Trends and Hot Searches, but Google+ offers the search giant the ability to see what is truly trending in real time.