Today is traditionally a day of harmless pranks and hoaxes. Of course, these pranks aren’t limited to offline activity. It seems everyone from Google to Kodak was getting in on the April Fools fun today. Here’s a look at some of the foolishness: Google showed off CADIE – a Cognitive Autoheuristic Distributed-Intelligence Entity that’s a cross between a HAL 9000 computer and a texting teenager. CADIE’s automatically generated homepage speaks for itself.   Google also unveiled Gmail Autopilot that will