Jack Dorsey | Page 4

A book written by a New York Times writer says Dorsey's role as a founder may have been overhyped.

With the IPO set, Twitter's venture capital investors, longtime employees and other stockholders are about to become very wealthy.

Yahoo's Marissa Mayer may have recently posed in Vogue, but she's not the only CEO to have that special blend of success, ambition and looks.

The co-founder of Twitter and current chief of mobile-payment company Square is traveling across the U.S. and Canada to meet with business owners in the 'Let's Talk' series.

Check out these 14 traits that set apart entrepreneurs from others.

These books helped shape tech's most influential leaders.

Following these investors can give you insight into the types of startups they find most interesting and the markets that are ripe for disruption.

The social-media site that's found its way into practically every entrepreneurs' toolkit recently turned seven. Here, we chat with the site's co-founder and get his best tips for newbie founders.

The social-media site that's found its way into practically every entrepreneurs' toolkit turns 7 years old today. Here, we chat with the site's co-founder and get his best tips for newbie founders.

Jack Dorsey wants to run the Gotham City. Whether or not you want to take on politics in your own career, here are three lessons any entrepreneur can learn from the Twitter co-founder, who has been called the "intellectual successor" to Steve Jobs.

When PayPal launched its newest mobile payment platform, it joined a wide selection of existing services. Here's a breakdown of the leaders.

Popular mobile transaction startup Square's new app goes well beyond simply accepting payments.

Dwolla's rise as a payment alternative to credit cards isn't thanks to merchants' disdain for plastic alone. Here's how the company's founder used clever social-media strategies to build buzz.

Small businesses are embracing new mobile payment systems, allowing them to make sales without the high fees and long-term contracts associated with traditional credit card processing.

Twitter is quietly raising big bucks -- pegging the company's value at as much as $7 billion. What is Dorsey's secret?

The international Interactive, Film and Music Festival called South By Southwest begins today. And it's all about you.