Company name: Danger
Where it's based: N/A
When it was founded: 2000
What year it was a Fierce 15: 2003
Website: N/A

Why it was a Fierce 15: Danger's much acclaimed consumer device, the Hiptop (branded by T-Mobile as the Sidekick), was the primary reason the company was selected as a Fierce 15 winner. The Sidekick was the hottest wireless device of the year, and considered ground-breaking for its compact style and streamlined mobile Web experience. Click here for more.

What has happened since it was awarded the Fierce 15: Danger had been preparing for an IPO but in February 2008 Microsoft snapped up the firm for $500 million. Microsoft said it was interested in Danger's extensive software portfolio and sleek user interface.