( CNN ) -- April Fool 's Day is a tricky time of year when bizarre but often hilarious headlines and products flood our newspapers , Twitter streams and Facebook feeds . This year has seen a fantastic plethora of pranks from the likes of Google , BMW , Twitter and more . But did they manage to trick you ? CNN rounds up some of the best April Fools Day jokes from 2013 . Twitter has announced it will no longer allow the use of vowels in tweets . The social networking service says that by eliminating vowels , they are helping users to a `` more efficient , and 'dense ' form of communication . '' They also hope it will increase revenue streams because if you ca n't live in a world without vowels , Twttr -- as it has renamed itself -- will allow you to tweet A , E , I , O and U for the small fee of $ 5 a month . Read more April Fools tech tricks . Richard Branson proudly announced Virgin 's latest endeavour -- the world 's first glass-bottomed plane . Virgin Atlantic 's Innovation team has apparently been secretly working on modifying an A320 aircraft which will fly between London and Aberdeen . Branson said : `` I am incredibly proud of yet another aviation breakthrough which has been years in the making . I ca n't wait to experience the first flight for myself with my family and other natural born explorers . '' In a story headlined , `` Who needs to tweet when you 've got the Roy-owl Mail , '' the Daily Mail reported that an animal sanctuary in the northern England has trained owls to deliver their internal mail in the face of budget cuts and an internal backlog . The Sun broke news that The Rolling Stones spent Easter weekend practicing their camping skills ahead of the band headlining the Glastonbury Festival later this year . The Guardian has launched its own augmented reality device , Guardian Goggles , which will `` beam its journalism directly into the wearer 's visual field , enabling users to see the world through the Guardian 's eyes at all times . '' As well as specially-curated Guardian content in real-time , the glasses also feature `` optional built-in anti-bigotry technology . '' To celebrate the arrival of the Duke and Duchess of Cambridge 's baby this summer , BMW has unveiled their limited edition P.R.A.M ( Postnatal Royal Auto Mobile ) . The soft-top convertible features `` EfficientDynamics '' technology and comes with two or four-wheel-drive , `` air conditioning and extendable flagpoles as standard . '' YouTube has announced it will shut down the popular video-sharing website . In a video posted online , YouTube CEO Salar Kamangar says : `` We started YouTube in 2005 as a contest with a simple goal to find the best video in the world . We had no idea we 'd get such a great response . '' All videos that are uploaded before midnight will be reviewed by 30,000 YouTube technicians and the winner will be announced in ten years . Lastly , Google has debut its new odour service , Google Nose Beta . It aims to increase its search engine strength by allowing users to search for smells which are then emitted through their computer screen or mobile device for the `` sharpest olfactory experience . ''
April Fools ' pranks flood the internet on April 1 as media and celebrities try and trick readers . This year Facebook , Youtube , Twitter and Virgin Mobile among others with April 1 pranks . CNN has compiled a list of some of the best stories from 2013 .