This year's April Fools' Day marketing stunts feature everything from a grass keyboard from Yahoo to a 5-year cruise from Duolingo and Carnival.

From Cadbury launching goo sachets to Birds Eye finally revealing what happens to waffle holes, here are the gags that really got us this year.

But these days it's mainly about getting attention for your product or brand – despite companies' gags ... marketing, we can create memorable campaigns that stand out in a crowded marketplace." Back ...

What seemed like an April Fool's prank at first glance became a successful marketing promotion as KFC's fried ...

"'you’re so gullible' I’m sorry i trust my friends when they tell me things. I’m sorry im pure of heart...unlike u who just ...

What seemed like an April Fool's prank at first glance became a successful marketing promotion as KFC's fried chicken-flavored toothpaste and accompanying toothbrush have — you guessed it ...