By Staff Writer – Boonsri Dickinson (@boonspoon)

Happy, snowy Friday. Do you feel like having some self help ideas for your business? Here are some things that happened this week.

10 entrepreneurs who created companies valued at $50 million talk about their biggest mistake.

Scientists turn body movement into electricity.

Start-ups get $3.5 billion in an attempt to boost innovation in the states.

Bits blogger Nick Bilton talks about the three Fs: Facebook, Farmville, and Foursquare.

Why New York isn’t the best place for a start-up.

100 things entrepreneurs should know.

Anyone building an app? How to deal with Apple.

Online video is hot in China: Chinese search engine Baidu raises $50 million for Oiyi, its online video site.

Approved. Facebook patents The News Feed. What does this mean for Twitter and other social networks?

Apple pulls sexy iPhone porn apps from its store. Prude and unfair?

Unhappy? You’ll have to wait until you’re 74 to be content, scientists say.

Cybercriminals are after Twitter users again. Don’t click on shady links people!

Image: flickr/ veesees