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We have previously discussed Lord Alan Sugar's slightly unconventional use of Twitter.
There was the time he looked like he had a great night out:
(To be fair, he's been a great sport and left the tweets up for posterity.)
And then there was also the time he wished a happy birthday to renowned serial killer Harold Shipman.
This time, Lord Alan has taken to Twitter with a public enquiry.
We've got this one.
They're Nitrous Oxide canisters - laughing gas. People get high on the gas, Lord Sugar.
To be fair, many people got there first with some misinformation:
Shame on you all for trying to fool Lord Sugar.
More: It looks like Lord Sugar had a cracking night out