In this prescient 2005 talk, Clay Shirky shows how closed groups and companies will give way to looser networks where small contributors have big roles and fluid cooperation replaces rigid planning.

Giles Duley gave up a life of glamour and celebrity as a fashion photographer to travel the world and document the stories of the forgotten and marginalized. While on assignment in Afghanistan he stepped on a landmine, a horrific event...

Cameron Russell admits she won "a genetic lottery": she's tall, pretty and an underwear model. But don't judge her by her looks. In this fearless talk, she takes a wry look at the industry that had her looking highly seductive at barely...

Angelica Dass's photography challenges how we think about skin color and ethnic identity. In this personal talk, hear about the inspiration behind her portrait project, Human_, and her pursuit to document humanity's true colors rather...

Networking can seem so hard -- but not if you have the right advice. Try taking advantage of weak ties; you never know what friend of a friend of a friend can aid you in your dreams. Lisa Green Chau outlines how being proactive and...

Photographer Brian Skerry shoots life above and below the waves -- as he puts it, both the horror and the magic of the ocean. Sharing amazing, intimate shots of undersea creatures, he shows how powerful images can help make change.

Economics PhD Sebastião Salgado only took up photography in his 30s, but the discipline became an obsession. His years-long projects beautifully capture the human side of a global story that all too often involves death, destruction or...

A video entitled "Unit Rates" that covers the process of converting units to find real-world quantities.

Howcast - Learn about professional photographer Chris Ryan, one of Howcast's studio photography experts, in this video.

Howcast - Learn how to find a good studio photographer from professional photographer Chris Ryan in this Howcast video.

Howcast - Learn how to pick a photographer to take your wedding photos from celebrity wedding planner Barbara Esses in this Howcast video.

Howcast - Learn how to pose for your wedding pictures from celebrity wedding planner Barbara Esses in this Howcast video.

Howcast - Learn how to pick a videographer to film your wedding video from celebrity wedding planner Barbara Esses in this Howcast video.

Howcast - Learn the key moments to capture for your wedding photos from celebrity wedding planner Barbara Esses in this Howcast video.

Howcast - Learn the importance of candid photos from celebrity wedding planner Barbara Esses in this Howcast video.

Howcast - Learn how to do basic modeling poses from model scout Trudi Tapscott in this Howcast video.

Howcast - Learn how to take a good headshot for your modeling portfolio from model scout Trudi Tapscott in this Howcast video.

Howcast - Learn about the kind of headshot needed for a modeling portfolio and how it differs from an actor headshot from Trudi Tapscott in this Howcast video.

Howcast - Learn how to handle requests that you model in the nude or partly nude from model scout Trudi Tapscott in this Howcast video.

Howcast - Learn about the biggest mistakes aspiring models make from model scout Trudi Tapscott in this Howcast video.

Howcast - Learn about professional photographer Joe Sinnott, one of Howcast's portrait photography experts, in this video.

Howcast - For actors, having a great headshot is the most important tool for getting a foot in the door.

How fast can you go? Choosing your shutter speed is one of the most vital artistic decisions a photographer has to make when snapping a photo.

Sure, a beautiful photograph takes some skill behind the lens, but it takes a little skill in front of it, too.