"Several billion people are going to come online in the next few years with their first smartphone, " said Mozilla Chief Operating Officer Jay Sullivan.

WSJ: The Quest for a Third Mobile Platform

Jay Sullivan, chief operating officer of browser maker Mozilla Corp.

WSJ: Web Browsers Are Reinvented

"Firefox OS will break down the walls between apps and the Web because Firefox OS apps are built using Web technologies, like HTML5, " said Jay Sullivan, Mozilla's senior vice president of products.

CNN: Mozilla to launch mobile phones with Firefox

Associated Press writers Eileen Sullivan and Pete Yost in Washington and Steve Peoples, Allen Breed, Bridget Murphy, Jay Lindsay and Bob Salsberg in Boston contributed to this report.

NPR: Boston Bomb Suspect Charged; Religious Motive Seen