People are known to pull pranks on April 1st, but how did April Fools' Day begin and why? Here's all you need to know about the day.

A bad joke can burn you, as some companies can attest after their April Fool's Day shenanigans failed to delight audiences and instead tarnished their brands. That's because for every well-executed hoax advertising a fake product — see "Game of Thrones" actor Thor Bjornsson's commercial for HeavyBubbles — there's an overeager company whose ill-conceived pranks have blown up in their faces,