Google is launching a bunch of pranks for April Fool’s Day.
Google Nose beta seems to be the most impressive one in this range.
The service allows to experience smells of various things by just typing
in their names and also lets detect objects by their scent. Google Nose,
developed “to offer the sharpest olfactory experience available,” even
got a website where the service is detailed.
See their website to more details
And the video