HAPPY RICKROLL DAY! On April Fools' Day, 2008, YouTube tricked users with the popular bait-and-switch prank called Rickrolling by featuring video links that actually lead to Rick Astley's "Never Gonna Give You Up" music video. Several other websites have the same idea, creating an unintentional, internet-wide April Fools' joke. Since 2008, Rickrolling has been one of the Internet’s most enduring pranks. The conceit is simple enough: Someone sends a link that appears to be to a video, news clip o