Mozilla tests ad-blocking feature in Firefox

Mozilla today introduced three new test features for Firefox, including one that separates YouTube videos from the browser and another that may foreshadow a more aggressive ad-blocking strategy by the open-source developer.
"We're excited to announce the release of three new Test Pilot experiments," said Nick Nguyen, the vice president of Firefox, in a post to a company blog. "These features will help you share and manage screenshots; keep streaming video front and center; and protect your onli