She has got thousands of followers, but what means more is how many lives she saves.
Read moreBy Jared Evitts
BBC News

The pair, who say they are from Vietnam, wiped out IHG group data after a foiled ransomware attack.

The pair, who say they are from Vietnam, wiped out IHG group data after a foiled ransomware attack.

A conspiracy theory falsely claims that Bodegraven near The Hague was once home to a Satanic ring.

A hacker was apparently able to gain access to the company's internal systems.

Zoe Kleinman finds out about The Merge, hidden emoji meanings, and an enormous new satellite.

An EU court has largely upheld a £3.5bn fine against Google over its Android platform.

Do Kwon is behind the Terra Luna and TerraUSD cryptocurrencies that plunged in value in May.

Nearly six million people tried to follow the plane's route, causing the Flightradar24 site to crash.

The pair, who say they are from Vietnam, wiped out IHG group data after a foiled ransomware attack.

A conspiracy theory falsely claims that Bodegraven near The Hague was once home to a Satanic ring.

A hacker was apparently able to gain access to the company's internal systems.

Zoe Kleinman finds out about The Merge, hidden emoji meanings, and an enormous new satellite.

An EU court has largely upheld a £3.5bn fine against Google over its Android platform.

Do Kwon is behind the Terra Luna and TerraUSD cryptocurrencies that plunged in value in May.

Nearly six million people tried to follow the plane's route, causing the Flightradar24 site to crash.

A conspiracy theory falsely claims that Bodegraven near The Hague was once home to a Satanic ring.

A hacker was apparently able to gain access to the company's internal systems.

Zoe Kleinman finds out about The Merge, hidden emoji meanings, and an enormous new satellite.
By Jared Evitts
BBC News
By Shiona McCallum
Technology reporter
By Rana Rahimpour
BBC Persian
By Tom Richardson
Newsbeat reporter
By Zoe Kleinman
Technology editor
By Annabelle Liang
Business reporter
The second biggest cryptocurrency, Ethereum, is about to switch over to a new operating model that uses 99.9% less energy.
By Ben Derico & James Clayton
BBC News, San Francisco
By Shiona McCallum
Technology reporter
By Zoe Kleinman & James Clayton
Technology editor
By Chris Vallance
Technology reporter
By Hugo Bachega in Kyiv and Matt Murphy in London
BBC News
By Ashleigh Swan
BBC News
By Shiona McCallum
Technology reporter
By Charlotte Simpson and Bonnie McLaren
Newsbeat reporters