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From Grad Student to Social Media Millionaire

How twentysomething Shama Kabani of Marketing Zen Group wrote a master's thesis on Twitter and then went on to build a leading-edge marketing firm. Part of our annual Young Millionaires report.

Matt Villano

From Business Idea to Successful Startup in Three Months

How Zaarly quickly brought its concept to market, complete with celebrity investment and lots of buzz.

Jennifer Wang

Quirky: The Solution to the Innovator's Dilemma

At the age of 24, Ben Kaufman already has a successful startup track record. With Quirky, he's tapped into the power of open innovation and created a place where anyone can become an inventor.

Jennifer Wang

How Gamesalad Can Help You Create Your Own Video Game

This Austin company can turn almost anyone into a game developer.

Gwen Moran

How the Crowdfunding Site Peerbackers Got Its Start

Co-founder Sally Outlaw talks about how her site helps fledgling businesses find the money to get started.

Dan O'Shea

How Polyvore Became a Trend-Setter in Social Shopping

This online community tells your network what to wear. Plus, a look at more ground-breakers in social commerce.

Jennifer Wang

How Mobile Roadie Became a Leader in Do-It-Yourself Apps

This self-service app creator aims to make it cheap and easy to go mobile. Plus, a look at other game-changers in the mobile space.

Jason Daley

Mashable's Pete Cashmore on Persistence

How he turned obstacles into an opportunity, why he's so obsessed with the Internet and a winning habit he learned from his father.

Teri Evans

Sara Blakely on Resilience

The founder of Spanx opens up about what drives her -- and the critical life lesson she learned early on.

Teri Evans

Innovator: Shopkick's Cyriac Roeding Reinvents Retail

Meet Cyriac Roeding, the man reinventing shopping for the mobile era.

Jason Ankeny