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New browser extension warns you when articles are paid for by advertisers

Native advertising and sponsored content is a big trend at news sites these days. A new browser extension helps let you know when what you're reading is not editorial content.

on pcworld.com

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Watch out Google: Firefox OS-powered Chromecast competitor in the works

Recently, images of a FirefoxOS-based TV casting dongle surfaced online, but few people know who is making it or when it might be released.

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Hands-on: Mozilla's Firefox OS web apps hit Android with native-like capabilities

Want to see what Mozilla's up to with Firefox OS? Check out the web-centric mobile platform's apps on your Android device.

Mozilla hates it, but streaming video DRM is coming to Firefox

Mozilla has little choice lest users be cut off from popular content services, Mozilla's CTO says

How to use pinned tabs to keep your browser organized

Keep your favorite web apps organized by using pinned tabs. We'll show you how to use the tab management tool in this video tip.

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16 powerful browser extensions that bend the web to your will

The so-called "Open Web" is full of artificial limitations. These extensions blow them away.

on pcworld.com

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How to selectively delete browser history

Remove individual sites or pages from your history rather than all of it. We'll show you how in this video tip.

on pcworld.com

How to selectively delete browsing history

Erasing your entire browsing history might be overkill if you just want to remove one or two sites or pages. In Chrome, Firefox and Internet Explorer you can selectively delete your browsing history.

OKCupid calls for Firefox boycott over CEO's Proposition 8 support

OKCupid would rather you didn't use Firefox to access its site due to Mozilla CEO Brendan Eich's 2008 support for California's Proposition 8.

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New smartphone OSes to challenge Android at Mobile World Congress

New phones based on Firefox OS and Ubuntu will be on display in Barcelona.

Mozilla announces adaptive Firefox Launcher for Android

It's all about context -- and your eyeballs.

HTTPS Everywhere makes Firefox for Android more secure

The Electronic Frontier Foundation's add-on forces websites to use HTTPS encryption whenever possible.