Separate projects. But, pdf.js is integrated into Firefox and is past the research stage. I believe they're just sort of saying, "Hey, we made that other seemin

Separate projects. But, pdf.js is integrated into Firefox and is past the research stage. I believe they're just sort of saying, "Hey, we made that other seemingly impossible idea work when we made pdf.js actually work pretty well, so you probably shouldn't laugh when we say we're implementing Flash in JS and HTML5."