Klout

San Francisco

Nivi

San Francisco

Venture Hacks

San Francisco, CA, USA

Tom Preston-Werner

San Francisco, CA, United States

World Economic Forum

Davos, Switzerland

Pete Cashmore

NYC / SF

Robbie Trencheny

Oakland, California

Ryan L. Cross

Colorado Springs, CO

Anna Vital

San Francisco

Seesmic

San Francisco, CA

Household Hacker

San Francisco / Atlanta

Seattle 2.0

Seattle

Brandon Mendelson

Glens Falls, New York

Ana Marie Cox

Fucknutsville, DC

Seesmic

Every device, every OS, every browser!

Christian Heilmann

London, UK

Mark Hall

San Francisco, CA, USA

Jason Calacanis

Los Angeles, CA

Dave Morin

San Francisco, California, United States

Evan Williams

San Francisco, CA, US

Marshall Kirkpatrick

Portland, OR, United States

Darren Rowse

Australia

Twitter

San Francisco, CA

Damon Cortesi

Seattle, WA, USA

500 Startups

Silicon Valley