While the potentially dangerous Conficker worm was being tracked throughout April Fools’ Day, more harmless hoaxes were being fired out across the Internet. Everyone from Google to The Guardian was rolling out prank Web sites Wednesday. It’s become an April 1 tradition on the Web to showcase absurd technological breakthroughs and silly pseudo-innovations. New media mockery was everywhere. “Gmail Autopilot.” It alleges that it will help you weed through your in-box by replying to emails with automated responses, tailored to your preference for emoticons.