Ev Williams, co-founder of Twitter. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Reed Hastings, founder and CEO of Netflix.

Evan Williams, co-founder of Twitter.

Jeff Weiner, CEO of LinkedIn. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Jeff Weiner, CEO of LinkedIn. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Andy Jassy, Amazon Web Services.

Jeremy Stoppelman, CEO of Yelp. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Jeff Weiner, CEO of LinkedIn. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Jeremy Stoppelman, CEO of Yelp. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Jeff Weiner, CEO of LinkedIn. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Jeff Weiner, CEO of LinkedIn. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Krissy Clark of KQED.

Here's a terrific shot of Toni Schneider, CEO of Automattic, maker of WordPress. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Toni Schneider, CEO of Automattic, maker of WordPress. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Investment banker and advisor Frank Quattrone. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Investment banker and advisor Frank Quattrone. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Ev Williams, co-founder of Twitter.

Toni Schneider, CEO of Automattic, maker of WordPress. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Ev Williams, co-founder of Twitter. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

Investment banker and advisor Frank Quattrone. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.

I really like this shot of John Battelle, co-founder of Web 2.0 Summit. CC BY NC photo by JD Lasica. Must credit: JD Lasica/Socialmedia.biz. Contact the photographer for rights to republish this image.