Evan Williams on what’s behind Twitter’s explosive growth

Evan Williams is the co-founder of Twitter, the addictive messaging service that connects the world 140 characters at a time.

In the year leading up to this talk, the web tool Twitter exploded in size (up 10x during 2008 alone). Co-founder Evan Williams reveals that many of the ideas driving that growth came from unexpected uses invented by the users themselves.

YouTube Education: 80 Intelligent Video Collections

Open Culture.Com is a website about cultural and educational media.

They have a list of Video Collections in You Tube on culture, society, politics, science and more.

Here are some of the collections:

• The Great Performers (World’s greatest performers)
• National Geographic
• FORA.tv (presentations from the world’s great writers, leaders, activists and thinkers)
• Gizmodo (Technology Websites)
• Google Tech Talks
• PBS
  
• The New York Times (All the news that’s fit to stream)
• TED Talks

Embedr

Embedr is a free service that lets anyone create a custom playlist of videos from the top video sites on the web. They simply  put all our favorite videos from all over the web in one place.

Watch the Demo here

Woopid

Woopid is a video tutorial website that has free video tutorials on Hardware, Internet, Mac and Windows.