Chinese company is dealt an "insurmountable" blow as chip designer says it must comply with US trade ban.Read more
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Elon Musk is well known for running his company rather differently to most founders, but it's worked out well for Adam Koszary, the social media strategist behind The Museum of English Rural Life's Twitter account.
After he posted a picture of "an absolute unit" of a sheep to his work Twitter account, it was picked up by Mr Musk who has now hired Mr Koszary as the social media manager for his car company Tesla.
If you thought social media stars were all under-35, think again! BBC Three has been exploring the world of the 'granfluencer' - grandparents who have become social media sensations.
Read more: The rise of the 'granfluencer'
Back to that memo chip designer ARM has sent to staff telling them to suspend business with Huawei.
This is what Huawei says: "We value our close relationships with our partners, but recognise the pressure some of them are under, as a result of politically motivated decisions. We are confident this regrettable situation can be resolved and our priority remains to continue to deliver world-class technology and products to our customers around the world.”