So … were you fooled?

You know what day it is – were you fooled by any of these internet April Fools’ jokes?

ThinkGeek capitalised on the recent trend for 3D modelling by advertising a Play-Doh 3D printer. The clue was was in the web address.

Google led the way on YouTube with a series of gags, including a new feature allowing users to “search for smells” with "Goggle Nose".

Another joke promised us Gmail Blue – “it’s like Gmail … only bluer”.

Not to be outdone, YouTube also posted its own hoax video, claiming that the video-sharing giant was planning to go offline at midnight tonight...

All the internet giants seemed to be up for a giggle, with Twitter claiming in its official blog that it in an effort to diversify its revenue stream, it was banning users from using vowels.

“For five dollars a month, you can use our premium “Twitter” service which also includes vowels,” the blog said.

“Here’s our mockup of the most retweeted Tweet of all time as it would appear in the new Twttr:”

Last but not least Virgin Atlantic promised us an “aviation breakthrough” in the form of a plane with a glass bottom – not recommended for nervous fliers.