In 2010, OMGPOP had a million loyal users playing games on its website. But it had to go after Facebook to make a huge hit.
Last year, hackers took down music distribution site SoundCloud for 36 hours. Co-founder Alex Ljung explains how SoundCloud responded to millions of infuriated users.
"Saint Jack" picked a fight with an industry--and created a mutual fund powerhouse.
When his father, Ken Lerer, sold The Huffington Post, Ben Lerer realized it's not all about the exit.
Cindy Gallop, founder of MakeLoveNotPorn, explains how every obstacle she encounters only proves why she must launch her "real-world" sex sites.
Adoption was slow when Path--now a fast-growing mobile social network--first launched. Here's how it turned around.
Restaurateur Joe Bastianich and his business partner, chef Mario Batali, took on a massive debt before their first restaurant together--they now have 23--took off.
The protests in the Middle East tested Jeremy Kroll, son of investigations entrepreneur Jules Kroll, and his expansion of K2 Intelligence into the region.
Anthony Casalena's Squarespace was a one-man operation when, late one Friday night, hackers shut down thousands of sites the company hosted.
First-time entrepreneur Joe Cohen talks about what to do when Launch Day inevitably doesn't go according to plan.
First-time entrepreneur Adam Rich describes a time when leading Thrillist, his men's lifestyle site, seemed too emotionally fraught to sustain.
Pressured to grow, AfterCollege CEO Robert Angulo chose his company over friendship.
When credit rating agencies came under fire for their role in the 2008 financial crisis, Jules Kroll, the corporate-investigations pioneer, saw a business opportunity.
Twilio, software for app developers, sought funding just as the 2008 financial crisis hit. Co-founder Jeff Lawson's response: "Screw it."
When Jose Ferreira's first company failed, he thought he would never start another one. But then he launched Knewton, which makes online education tools.
Intuit founder Scott Cook tells what went wrong the first time he rolled out the company's Quicken tax prep software around the world.
Herb Greenberg, who lost his sight at age 10, developed a test to help employers see workers for who they really are. But four months after founding HR consultancy Caliper, Greenberg had failed to win a single client.
Jessica Scorpio struggled for years to get her company, Getaround, off the ground, largely due to one massive roadblock.
When the infomercial company Beachbody introduced a set of fitness DVDs called P90X in 2005, the product bombed. Carl Daikeler explains how he turned it into $700m in sales.
Herb Greenberg, who lost his sight at age 10, developed a test to let employers see workers for who they really are.