It's not a demo, more of a philosophical argument: Why did Sergey Brin and his team at Google want to build an eye-mounted camera/computer, codenamed Glass? Onstage at TED2013, Brin calls for a new way of seeing our relationship with our mobile computers -- not hunched over a screen but meeting the world heads-up.

In our digital world, social relations have become mediated by data. Without even realizing it, we’re barricading ourselves against strangeness -- people and ideas that don't fit the patterns of who we already know, what we already like and where we’ve already been. A call for technology to deliver us to what and who we need, even if it’s unfamiliar.

Kevin Allocca is YouTube's Trends Manager, and he has deep thoughts about silly web videos. In this talk from TEDYouth, he shares the 4 reasons a video goes viral.

Kicking off the TED2013 conference, Jennifer Granholm asks a very American question with worldwide implications: How do we make more jobs? Her big idea: Invest in new alternative energy sources. And her big challenge: Can it be done with or without our broken Congress?

Most ideas go unnoticed because they require investment capital and distribution to make their way into the physical world. That’s beginning to change. While your ability to start a successful business still depends greatly on the place and situation of your birth many of the barriers to getting ideas to market are disappearing. We’re in the midst of a new industrial revolution, which is cleaner, more efficient and more inclusive.

Tiffany Shlain, award-winning filmmaker and founder of the Webby awards, creates disruptive innovation using social media and film. Her critically acclaimed work and new crowdsourced films invite universal conversations about what it means to be connected in the 21st century.

In a recent TED presentation, successful British multi business owner, Margaret Hefferman, talked about the need to ‘think together’. She outlined how to do this by daring to confront conflict and create disagreement.

We need to be inspired by the immense possibilities of the future and work extremely hard to achieve them. We can do it, we just have to commit. Help inspire others by sharing this video..

“To create is make something that has never existed before,” says vulnerability researcher, Brené Brown. “There’s nothing more vulnerable than that.”

Information designer Tom Wujec talks through three areas of the brain that help us understand words, images, feelings, connections. In this short talk from TEDU, he asks: How can we best engage our brains to help us better understand big ideas?